PT-2025-15556 · Microsoft · Windows Win32K+1

Published 2025-04-02 · Updated 2025-04-08 · CVE-2025-27732

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Windows Win32K - GRFX (affected versions not specified)

Description: The issue concerns sensitive data storage in improperly locked memory, allowing an authorized attacker to elevate privileges locally.

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

Improper Locking

Weakness Enumeration

CWE-667

CWE-591

Related Identifiers

BDU:2025-04061

CVE-2025-27732

Affected Products

Windows

Windows Win32K

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27732 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-27732 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-27732 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27732 · Security Note
• https://osv.dev/vulnerability/CVE-2025-27732 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04061 · Security Note
• https://twitter.com/CVEnew/status/1909665149159391698 · Twitter Post