Windows DWM Core Library Elevation of Privilege Vulnerability (Microsoft Windows 11 Version 24H2)

CVE-2026-42896
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.28 % · percentile 21 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Weaknesses (CWE)

  • CWE-190 — Integer Overflow or Wraparound
  • CWE-122 — Heap-based Buffer Overflow

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows 11 Version 24H2affected 10.0.26100.0 < 10.0.26100.8457
Microsoft · Windows 11 Version 25H2affected 10.0.26200.0 < 10.0.26200.8457
Microsoft · Windows 11 version 26H1affected 10.0.28000.0 < 10.0.28000.2113
Microsoft · Windows Server 2025affected 10.0.26100.0 < 10.0.26100.32860
Microsoft · Windows Server 2025 (Server Core installation)affected 10.0.26100.0 < 10.0.26100.32860

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD