CVE-2026-108451

HIGH

Published Oct 15, 2026 CWE-122 CWE-197

Description

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-122 CWE-122

CWE-197 CWE-197

References

Other References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108451

Frequently Asked Questions

What is CVE-2026-108451? +

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-108451? +

CVE-2026-108451 has a CVSS v3.1 score of 8.8 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-2026-108451? +

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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