CVE-2026-50387

high Microsoft
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
1.9%
Exploitation probability in 30 days
Top 22% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 22, 2026
Vendor: Microsoft
Source: NVD

Description

Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.

CWE

CWE-121

Affected Products

microsoft 365 copilotmicrosoft microsoft 365microsoft office 2021microsoft office 2024microsoft windows 10 1607microsoft windows 10 1809microsoft windows 10 21h2microsoft windows 10 22h2microsoft windows 11 24h2microsoft windows 11 25h2

References

🔗 msrc.microsoft.com