CVE-2026-76462 (GCVE-0-2026-76462)
Vulnerability from cvelistv5
Published
2026-10-21 16:14
Modified
2026-10-22 23:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
A vulnerability in the interprocess communication (IPC) channel of the Secure Firewall Posture module in Cisco Secure Client could allow an authenticated, local attacker to elevate privileges on an affected device.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a series of crafted IPC messages to a local socket. A successful exploit could allow the attacker to perform limited file write operations on the filesystem with SYSTEM or root privileges.
Although this vulnerability affects the Secure Firewall Posture module in Cisco Secure Client on Windows, macOS, and Linux operating systems, this vulnerability could be used to obtain full root privileges on macOS and Linux. For that reason Cisco has assigned this security advisory a Security Impact Rating (SIR) of High rather than Medium as the score indicates.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Secure Client |
Version: 4.9.00086 Version: 4.9.01095 Version: 4.9.02028 Version: 4.9.03047 Version: 4.9.03049 Version: 4.9.04043 Version: 4.9.04053 Version: 4.9.05042 Version: 4.9.06037 Version: 4.10.00093 Version: 4.10.01075 Version: 4.10.02086 Version: 4.10.03104 Version: 4.10.04065 Version: 4.10.04071 Version: 4.10.05085 Version: 4.10.05095 Version: 5.0.00238 Version: 4.10.05111 Version: 5.0.00529 Version: 5.0.00556 Version: 4.10.06079 Version: 5.0.01242 Version: 4.10.06090 Version: 5.0.02075 Version: 4.10.07061 Version: 5.0.03072 Version: 4.10.07062 Version: 5.0.03076 Version: 5.0.04032 Version: 4.10.07073 Version: 5.0.05040 Version: 5.1.0.136 Version: 5.1.1.42 Version: 4.10.08025 Version: 5.1.2.42 Version: 4.10.08029 Version: 5.1.3.62 Version: 5.1.4.74 Version: 5.1.5.65 Version: 5.1.6.103 Version: 5.1.7.80 Version: 5.1.8.105 Version: 5.1.8.122 Version: 5.1.9.113 Version: 5.1.10.233 Version: 5.1.11.388 Version: 5.1.12.146 Version: 5.1.13.117 Version: 5.1.13.177 Version: 5.1.14.145 Version: 5.1.15.287 Version: 5.1.16.194 Version: 5.1.17.3382 Version: 5.1.17.3394 Version: 5.1.18.314 Version: 5.1.19.1862 |
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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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