Vulnerability · Published Aug 11, 2026 · Assigned by microsoft

CVE-2026-61933Windows DWM Core Library Information Disclosure Vulnerability

Medium 5.5

In plain English

A medium-severity out-of-bounds read in Windows 11 Version 24H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.4%top 65.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.9168
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.2704
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.33296

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References