CVE-2026-109462

MEDIUM

Published Nov 10, 2026 Modified Nov 10, 2026 CWE-299

Description

Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally.

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CVSS v3.1 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.24%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-299 CWE-299

References

Other References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109462

Frequently Asked Questions

What is CVE-2026-109462? +

Improper check for certificate revocation in Azure Firmware allows an authorized attacker to bypass a security feature locally. It has a CVSS v3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2026-109462? +

CVE-2026-109462 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-109462? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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