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CVE-2026-111301

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise	>= 16.0.1, < https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Office LTSC 2021	>= 16.0.1, < 16.0.14334.21048
Microsoft	Microsoft Office LTSC 2024	>= 16.0.0, < 16.0.17932.21140

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-111301

Timeline

Published: Nov 10, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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CVE-2026-111301: High severity, CVSS 8.8 | Vulnix