CVE-2026-50387
Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
Published Jul 14, 2026 · updated Oct 14, 2026 · microsoft 365 copilot
Stack-based buffer overflow in Windows GDI 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.
Jul 14, 2026 · NIST NVD
Detected
Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
Oct 14, 2026 · NIST NVD
Updated
Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
Affected
- cpe microsoft/365 copilotversion unspecified
- cpe microsoft/microsoft 365version unspecified
- cpe microsoft/office 2021version unspecified
- cpe microsoft/office 2024version unspecified
- cpe microsoft/windows 10 1607version unspecified
- cpe microsoft/windows 10 1809version unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-50387
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-50387
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2026-50387
Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
nvd.nist.gov