Common Weakness Enumeration

CWE-908

Allowed

Use of Uninitialized Resource

Abstraction: Base · Status: Incomplete

The product uses or accesses a resource that has not been initialized.

299 vulnerabilities reference this CWE, most recent first.

CVE-2026-83515 (GCVE-0-2026-83515)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-31 18:02
VLAI
Title
RPC Runtime Information Disclosure Vulnerability
Summary
Use of uninitialized resource in RPC Runtime allows an unauthorized attacker to disclose information over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:41 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7807 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7807 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9711 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9711 (custom)
Create a notification for this product.
Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.3231 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 26H2 Affected: 10.0.26300.0 , < 10.0.26300.9711 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-81958 (GCVE-0-2026-81958)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:18 – Updated: 2026-10-31 16:17
VLAI
Title
Microsoft Excel Information Disclosure Vulnerability
Summary
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:41 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-81391 (GCVE-0-2026-81391)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:18 – Updated: 2026-10-31 16:17
VLAI
Title
Microsoft Excel Information Disclosure Vulnerability
Summary
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:41 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-81038 (GCVE-0-2026-81038)

Vulnerability from cvelistv5 – Published: 2026-10-26 16:08 – Updated: 2026-11-04 05:01
VLAI
Title
Bluetooth OTS server discloses uninitialized stack memory in failed Calculate Checksum responses
Summary
The Object Transfer Service server builds its Object Action Control Point (OACP) response indication in oacp_ind_send() (subsys/bluetooth/services/ots/ots_oacp.c). Before this fix the four-byte Checksum Value field was appended whenever the requested op code was BT_GATT_OTS_OACP_PROC_CHECKSUM_CALC, regardless of the result code. The response payload is a bare, uninitialized four-byte stack buffer declared with NET_BUF_SIMPLE_DEFINE(resp_param, sizeof(uint32_t)) in bt_gatt_ots_oacp_write(), and it is filled only on the success path of oacp_checksum_proc_validate(). On every failure path the buffer is still empty, so net_buf_simple_pull_le32() was invoked on a zero-length buffer. The OACP characteristic and its client characteristic configuration descriptor are declared with BT_GATT_PERM_WRITE and BT_GATT_PERM_READ | BT_GATT_PERM_WRITE, so no pairing, encryption, or authentication is required. Any peer within radio range that can connect to a device running the OTS server can enable OACP indications and write a nine-byte Calculate Checksum command that fails validation — for example by issuing it with no object selected, which returns BT_GATT_OTS_OACP_RES_INV_OBJ. Because oacp_command_decode() accepts the Calculate Checksum op code unconditionally (it is not guarded by CONFIG_BT_OTS_OACP_CHECKSUM_SUPPORT), builds without checksum support are reachable too: they answer BT_GATT_OTS_OACP_RES_OPCODE_NOT_SUP and take the same bad path. On builds with CONFIG_ASSERT enabled, the zero-length pull trips the assertion inside net_buf_simple_pull_mem() and panics the device, giving a remotely triggered denial of service. On builds with assertions disabled there is no check: the pull returns the untouched stack array and four bytes of uninitialized stack memory are copied into the indication and transmitted to the peer, repeatable on every request. The disclosure is bounded to four bytes per request and the write stays inside the seven-byte res indication buffer, so there is no memory corruption; the impact is uninitialized-memory disclosure plus an availability loss in assertion-enabled configurations.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:59 UTC
CWE
Assigner
zephyr CNA
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 3.3.0 , < 4.3.2 (semver)
Affected: 4.4.0 , < 4.5.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-80091 (GCVE-0-2026-80091)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:18 – Updated: 2026-10-31 16:17
VLAI
Title
Microsoft Office Information Disclosure Vulnerability
Summary
Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:42 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-78519 (GCVE-0-2026-78519)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:18 – Updated: 2026-10-31 16:17
VLAI
Title
Microsoft Office Outlook Remote Code Execution Vulnerability
Summary
Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:21 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < 16.0.20326.20138 (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < 16.0.10417.20207 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20906 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.20976 (custom)
Create a notification for this product.
Microsoft Microsoft Outlook 2016 Affected: 16.0.0.0 , < 16.0.5569.1000 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-72989 (GCVE-0-2026-72989)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:17 – Updated: 2026-10-31 16:16
VLAI
Title
Windows Failover Cluster Information Disclosure Vulnerability
Summary
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:43 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5622 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-72945 (GCVE-0-2026-72945)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:12 – Updated: 2026-10-31 16:11
VLAI
Title
Windows Task Scheduler Information Disclosure Vulnerability
Summary
Use of uninitialized resource in Windows Task Scheduler allows an authorized attacker to disclose information locally.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:50 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7725 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7725 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9512 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5622 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website

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CVE-2026-70631 (GCVE-0-2026-70631)

Vulnerability from cvelistv5 – Published: 2026-08-06 21:25 – Updated: 2026-08-14 16:51 X_Open Source
VLAI
Title
FFmpeg 0.5 < 9.0 Uninitialized Heap Memory Read in TIFF Decoder
Summary
FFmpeg versions from 0.5 up to, but not including, 9.0 contain an uninitialized heap memory disclosure vulnerability in the native TIFF decoder in libavcodec/tiff.c. An attacker who can cause FFmpeg to decode a crafted TIFF file can supply a valid Deflate-compressed strip that terminates successfully after producing fewer bytes than the declared strip requires. The tiff_unpack_zlib() function allocates a heap buffer sized for the full declared strip but copies all declared rows via memcpy() regardless of how many bytes zlib actually decompressed, causing unwritten bytes that can contain stale data from prior heap allocations to be incorporated into decoded image output and potentially exposing sensitive data in persistent services.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-08 02:44 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
FFmpeg FFmpeg Affected: 0.5 , < 9.0 (custom)
    cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-24 00:00
Show details on NVD website

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CVE-2026-70630 (GCVE-0-2026-70630)

Vulnerability from cvelistv5 – Published: 2026-08-06 21:25 – Updated: 2026-08-14 16:51 X_Open Source
VLAI
Title
FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in Screenpresso Decoder
Summary
FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder (libavcodec/screenpresso.c) that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that decompresses fewer bytes than the full frame requires. The screenpresso_decode_frame() function fails to validate the produced byte count before calling av_image_copy_plane() to copy the complete frame dimensions from the persistent ctx->inflated_buf buffer, causing unwritten heap memory from prior allocations or prior frames to be copied into decoded output and potentially exposing sensitive data such as userspace addresses from persistent decoding services.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 17:09 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
FFmpeg FFmpeg Affected: 3.0 , < 9.0 (custom)
    cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-24 00:00
Show details on NVD website

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  "cveMetadata": {
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    "dateReserved": "2026-08-04T20:17:18.297Z",
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Mitigation
Implementation

Explicitly initialize the resource before use. If this is performed through an API function or standard procedure, follow all required steps.

Mitigation
Implementation

Pay close attention to complex conditionals that affect initialization, since some branches might not perform the initialization.

Mitigation
Implementation

Avoid race conditions (CWE-362) during initialization routines.

Mitigation
Build and Compilation

Run or compile the product with settings that generate warnings about uninitialized variables or data.

No CAPEC attack patterns related to this CWE.