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Vulnerability record · CVE-2026-44807 · published 9 June 2026

CVE-2026-44807: Microsoft windows 11 26h1 use after free vulnerability

Microsoft · Windows 11 26h1

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

7.8 CVSS 3.1 High EPSS 0.33% · top 76.0% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44807 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44807), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.