PT-2026-58367 · Microsoft · Windows Gdi

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-50387

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows GDI (affected versions not specified)

Description A stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally. A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially overwriting adjacent memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-50387

Affected Products

Windows Gdi

References · 4

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50387 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50387 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50387 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50387 · Security Note