CVE-2026-26134
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
Published Mar 10, 2026 · updated Jun 17, 2026 · microsoft 365 copilot
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 10, 2026 · NIST NVD
Detected
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
Jun 17, 2026 · NIST NVD
Updated
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
Affected
- cpe microsoft/365 copilotversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-26134
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-26134
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
nvd.nist.gov