PT-2025-28621 · Microsoft · Windows Win32K+1

Benjamin Rodes + 2 · Published 2025-07-08 · Updated 2025-07-16 · CVE-2025-49733

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 Win32K (affected versions not specified)

Description: The issue is related to a use after free condition in Windows Win32K - ICOMP, which allows 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.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-08520

CVE-2025-49733

Affected Products

Windows

Windows Win32K

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49733 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49733 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-49733 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49733 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08520 · Security Note
• https://osv.dev/vulnerability/CVE-2025-49733 · Vendor Advisory
• https://twitter.com/CVEnew/status/1942633680838574361 · Twitter Post
• https://t.me/avleonovcom/1561 · Telegram Post