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

Published Aug 11, 2026
·
Updated

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

Other sources

Windows DWM Core Library Information Disclosure Vulnerability

— Microsoft

Affected Software

8 affected componentsFixes available
Microsoft Windows 11=26H1
10.0.28000.2704
Microsoft Windows 11=26H1
10.0.28000.2704
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows 11=24H2
10.0.26100.916810.0.26000.9106
Microsoft Windows 11=25H2
10.0.26200.916810.0.26100.9106
Microsoft Windows 11=25H2
10.0.26200.916810.0.26100.9106
Microsoft Windows 11=24H2
10.0.26100.916810.0.26100.9106
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.28000.2704Patch KB5121000
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994

Event History

Aug 11, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:04 PM
Data Sourced
via MITRE·05:04 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-61933?

CVE-2026-61933 has a medium severity rating of 5.5.

2

How do I fix CVE-2026-61933?

To mitigate CVE-2026-61933, ensure that your Microsoft Windows 11 and Microsoft Windows Server 2025 systems are updated with the latest security patches.

3

What types of systems are affected by CVE-2026-61933?

CVE-2026-61933 affects Microsoft Windows 11 and Microsoft Windows Server 2025.

4

What is the risk associated with CVE-2026-61933?

The risk associated with CVE-2026-61933 is an out-of-bounds read that allows authorized attackers to disclose information locally.

5

When was CVE-2026-61933 published?

CVE-2026-61933 was published on August 11, 2026.

Company

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