CVE-2026-108433

HIGH

Published Oct 15, 2026 CWE-807

Description

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-807 CWE-807

References

Other References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108433

Frequently Asked Questions

What is CVE-2026-108433? +

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-108433? +

CVE-2026-108433 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-108433? +

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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