CVE-2026-76458 (GCVE-0-2026-76458)
Vulnerability from cvelistv5
Published
2026-10-07 16:15
Modified
2026-10-08 15:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-76458 are related to improper handling of exceptional conditions issues that are grouped under the Common Weakness Enumeration (CWE) CWE-703.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Version: 8.2(5) Version: 7.3(5)D1(1) Version: 8.4(2) Version: 8.4(3) Version: 9.2(3) Version: 8.2(1) Version: 7.3(1)D1(1) Version: 9.2(2v) Version: 7.3(0)D1(1) Version: 7.3(4)D1(1) Version: 9.2(1) Version: 9.2(2t) Version: 9.2(3y) Version: 9.3(2) Version: 7.3(1)DY(1) Version: 8.1(1) Version: 8.2(2) Version: 8.3(2) Version: 7.3(2)D1(3a) Version: 9.2(4) Version: 8.1(2) Version: 7.3(3)D1(1) Version: 8.2(3) Version: 8.3(1) Version: 8.4(1) Version: 8.1(1b) Version: 7.3(0)DX(1) Version: 7.3(2)D1(1) Version: 9.3(1) Version: 7.3(2)D1(2) Version: 8.2(4) Version: 7.3(0)DY(1) Version: 9.3(1z) Version: 9.2(2) Version: 8.1(2a) Version: 7.3(2)D1(3) Version: 8.1(1a) Version: 8.4(1a) Version: 9.3(3) Version: 7.3(2)D1(1d) Version: 9.3(4) Version: 7.3(6)D1(1) Version: 8.2(6) Version: 9.3(5) Version: 8.4(2a) Version: 8.4(2b) Version: 8.5(1) Version: 9.3(6) Version: 8.4(4) Version: 7.3(7)D1(1) Version: 8.4(2c) Version: 9.3(5w) Version: 8.2(7) Version: 9.3(7) Version: 9.3(7k) Version: 7.3(8)D1(1) Version: 9.3(7a) Version: 8.2(7a) Version: 9.3(8) Version: 8.4(4a) Version: 8.4(2d) Version: 8.4(5) Version: 8.2(8) Version: 9.3(9) Version: 7.3(9)D1(1) Version: 8.4(6) Version: 8.4(2e) Version: 9.3(10) Version: 9.2(1a) Version: 8.2(9) Version: 10.3(1) Version: 8.4(7) Version: 10.3(2) Version: 8.4(6a) Version: 9.3(11) Version: 10.3(3) Version: 9.4(1) Version: 9.3(2a) Version: 8.4(2f) Version: 8.2(10) Version: 9.3(12) Version: 10.4(1) Version: 8.4(8) Version: 10.3(99w) Version: 10.3(3w) Version: 10.3(99x) Version: 10.3(3o) Version: 8.4(9) Version: 10.3(4) Version: 10.3(3p) Version: 10.3(4a) Version: 9.4(1a) Version: 10.4(2) Version: 10.3(3q) Version: 9.3(13) Version: 8.2(11) Version: 9.4(2) Version: 10.3(5) Version: 10.4(3) Version: 10.3(3x) Version: 10.3(4g) Version: 10.5(1) Version: 8.4(10) Version: 9.4(2a) Version: 10.3(3r) Version: 10.3(6) Version: 9.3(14) Version: 10.4(4) Version: 10.3(4h) Version: 10.5(2) Version: 10.5(1j) Version: 8.4(11) Version: 9.4(3) Version: 10.3(7) Version: 10.4(5) Version: 10.5(3) Version: 9.3(15) Version: 9.4(3a) Version: 10.4(4g) Version: 10.5(4) Version: 9.4(3b) Version: 8.4(12) Version: 10.6(1) Version: 10.5(3t) Version: 10.3(8) Version: 10.4(6) Version: 10.5(3s) Version: 10.5(3e) Version: 9.4(4) Version: 10.5(3o) Version: 9.3(16) Version: 10.6(1s) Version: 10.6(2) Version: 10.5(3p) Version: 9.4(5) Version: 10.3(9) Version: 10.6(2s) Version: 8.4(13) Version: 10.6(3) Version: 10.4(7) Version: 10.5(5) Version: 9.3(17) Version: 10.6(2n) Version: 10.6(3q) Version: 10.6(3o) Version: 10.6(3s) |
||||||||||||
|
||||||||||||||
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\"status\": \"affected\"}, {\"version\": \"4.1(2a)\", \"status\": \"affected\"}, {\"version\": \"4.0(4a)\", \"status\": \"affected\"}, {\"version\": \"4.0(4e)\", \"status\": \"affected\"}, {\"version\": \"4.0(4h)\", \"status\": \"affected\"}, {\"version\": \"4.0(2a)\", \"status\": \"affected\"}, {\"version\": \"4.1(1c)\", \"status\": \"affected\"}, {\"version\": \"4.0(1b)\", \"status\": \"affected\"}, {\"version\": \"4.1(1e)\", \"status\": \"affected\"}, {\"version\": \"4.0(4d)\", \"status\": \"affected\"}, {\"version\": \"4.0(4b)\", \"status\": \"affected\"}, {\"version\": \"4.0(2e)\", \"status\": \"affected\"}, {\"version\": \"4.1(1a)\", \"status\": \"affected\"}, {\"version\": \"4.0(4g)\", \"status\": \"affected\"}, {\"version\": \"4.0(1d)\", \"status\": \"affected\"}, {\"version\": \"4.0(1c)\", \"status\": \"affected\"}, {\"version\": \"4.0(4i)\", \"status\": \"affected\"}, {\"version\": \"4.0(2d)\", \"status\": \"affected\"}, {\"version\": \"4.1(1b)\", \"status\": \"affected\"}, {\"version\": \"4.1(2b)\", \"status\": \"affected\"}, {\"version\": \"4.0(4k)\", \"status\": \"affected\"}, {\"version\": \"4.1(3a)\", \"status\": \"affected\"}, {\"version\": \"4.1(3b)\", \"status\": \"affected\"}, {\"version\": \"4.1(2c)\", \"status\": \"affected\"}, {\"version\": \"4.0(4l)\", \"status\": \"affected\"}, {\"version\": \"4.1(4a)\", \"status\": \"affected\"}, {\"version\": \"4.1(3c)\", \"status\": \"affected\"}, {\"version\": \"4.1(3d)\", \"status\": \"affected\"}, {\"version\": \"4.2(1c)\", \"status\": \"affected\"}, {\"version\": \"4.2(1d)\", \"status\": \"affected\"}, {\"version\": \"4.0(4m)\", \"status\": \"affected\"}, {\"version\": \"4.1(3e)\", \"status\": \"affected\"}, {\"version\": \"4.2(1f)\", \"status\": \"affected\"}, {\"version\": \"4.1(3f)\", \"status\": \"affected\"}, {\"version\": \"4.2(1i)\", \"status\": \"affected\"}, {\"version\": \"4.1(3h)\", \"status\": \"affected\"}, {\"version\": \"4.2(1k)\", \"status\": \"affected\"}, {\"version\": \"4.2(1l)\", \"status\": \"affected\"}, {\"version\": \"4.0(4n)\", \"status\": \"affected\"}, {\"version\": \"4.2(1m)\", \"status\": \"affected\"}, {\"version\": \"4.1(3i)\", \"status\": \"affected\"}, {\"version\": \"4.2(2a)\", \"status\": \"affected\"}, {\"version\": \"4.2(1n)\", \"status\": \"affected\"}, {\"version\": \"4.1(3j)\", \"status\": \"affected\"}, {\"version\": \"4.2(2c)\", \"status\": \"affected\"}, {\"version\": \"4.2(2d)\", \"status\": \"affected\"}, {\"version\": \"4.2(3b)\", \"status\": \"affected\"}, {\"version\": \"4.1(3k)\", \"status\": \"affected\"}, {\"version\": \"4.0(4o)\", \"status\": \"affected\"}, {\"version\": \"4.2(2e)\", \"status\": \"affected\"}, {\"version\": \"4.2(3d)\", \"status\": \"affected\"}, {\"version\": \"4.2(3e)\", \"status\": \"affected\"}, {\"version\": \"4.2(3g)\", \"status\": \"affected\"}, {\"version\": \"4.1(3l)\", \"status\": \"affected\"}, {\"version\": \"4.3(2b)\", \"status\": \"affected\"}, {\"version\": \"4.2(3h)\", \"status\": \"affected\"}, {\"version\": \"4.2(3i)\", \"status\": \"affected\"}, {\"version\": \"4.3(2c)\", \"status\": \"affected\"}, {\"version\": \"4.1(3m)\", \"status\": \"affected\"}, {\"version\": \"4.3(2e)\", \"status\": \"affected\"}, {\"version\": \"4.3(3a)\", \"status\": \"affected\"}, {\"version\": \"4.2(3j)\", \"status\": \"affected\"}, {\"version\": \"4.3(3c)\", \"status\": \"affected\"}, {\"version\": \"4.3(4a)\", \"status\": \"affected\"}, {\"version\": \"4.2(3k)\", \"status\": \"affected\"}, {\"version\": \"4.3(4b)\", \"status\": \"affected\"}, {\"version\": \"4.3(4c)\", \"status\": \"affected\"}, {\"version\": \"4.2(3l)\", \"status\": \"affected\"}, {\"version\": \"4.3(4d)\", \"status\": \"affected\"}, {\"version\": \"4.3(2f)\", \"status\": \"affected\"}, {\"version\": \"4.2(3m)\", \"status\": \"affected\"}, {\"version\": \"4.3(5a)\", \"status\": \"affected\"}, {\"version\": \"4.3(4e)\", \"status\": \"affected\"}, {\"version\": \"4.1(3n)\", \"status\": \"affected\"}, {\"version\": \"4.3(4f)\", \"status\": \"affected\"}, {\"version\": \"4.2(3n)\", \"status\": \"affected\"}, {\"version\": \"4.3(5c)\", \"status\": \"affected\"}, {\"version\": \"4.2(3o)\", \"status\": \"affected\"}, {\"version\": \"4.3(5d)\", \"status\": \"affected\"}, {\"version\": \"4.3(6a)\", \"status\": \"affected\"}, {\"version\": \"4.3(6b)\", \"status\": \"affected\"}, {\"version\": \"4.3(5e)\", \"status\": \"affected\"}, {\"version\": \"4.3(6c)\", \"status\": \"affected\"}, {\"version\": \"4.2(3p)\", \"status\": \"affected\"}, {\"version\": \"6.0(1b)\", \"status\": \"affected\"}, {\"version\": \"6.0(1c)\", \"status\": \"affected\"}, {\"version\": \"4.3(6d)\", \"status\": \"affected\"}, {\"version\": \"6.0(1d)\", \"status\": \"affected\"}, {\"version\": \"6.0(1e)\", \"status\": \"affected\"}, {\"version\": \"4.3(6e)\", \"status\": \"affected\"}, {\"version\": \"6.0(1f)\", \"status\": \"affected\"}, {\"version\": \"4.3(6f)\", \"status\": \"affected\"}, {\"version\": \"6.0(2b)\", \"status\": \"affected\"}, {\"version\": \"6.0(1h)\", \"status\": \"affected\"}, {\"version\": \"4.2(3r)\", \"status\": \"affected\"}, {\"version\": \"6.0(2c)\", \"status\": \"affected\"}, {\"version\": \"4.3(6g)\", \"status\": \"affected\"}, {\"version\": \"6.0(2d)\", \"status\": \"affected\"}, {\"version\": \"4.3(6h)\", \"status\": \"affected\"}, {\"version\": \"4.2(3s)\", \"status\": \"affected\"}, {\"version\": \"4.3(6i)\", \"status\": \"affected\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-10-07T16:15:49.354Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-76458\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-08T15:32:05.455444Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-08T15:32:09.324Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-76458\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"cisco\", \"dateReserved\": \"2026-08-19T12:02:03.637Z\", \"datePublished\": \"2026-10-07T16:15:49.354Z\", \"dateUpdated\": \"2026-10-08T15:32:15.339Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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