CVE-2026-113759

HIGHCVSS 7.8/10

Last modified

CVE-2026-113759 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally..

Description

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise>= 16.0.1, < https://aka.ms/OfficeSecurityReleases
MicrosoftMicrosoft Office 365 for Mac>= 1.0.0, < 16.115.26110837
MicrosoftMicrosoft Office LTSC 2021>= 16.0.1, < 16.0.14334.21048
MicrosoftMicrosoft Office LTSC 2024>= 16.0.0, < 16.0.17932.21140
MicrosoftMicrosoft Office LTSC for Mac 2021>= 16.0.1, < 16.115.26110837
MicrosoftMicrosoft Office LTSC for Mac 2024>= 16.0.0, < 16.115.26110837

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-113759?
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
How severe is CVE-2026-113759?
CVE-2026-113759 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-113759?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST