VDB

CVE-2026-32165

CVE-2026-32165 PUBLISHED CVSS 7.8 HIGH

Windows User Interface Core Elevation of Privilege Vulnerability

Reported by microsoft · Published April 14, 2026

Use after free in Windows User Interface Core allows an authorized attacker to elevate privileges locally.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Windows 11 Version 23H2Microsoft10.0.22631.6936

Risk scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 21H210.0.19044.0
MicrosoftWindows 10 Version 22H210.0.19045.0
MicrosoftWindows 11 version 23H210.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows 11 version 26H110.0.28000.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0
MicrosoftWindows Server 202510.0.26100.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 version 22H310.0.22631.0
microsoftwindows_10_21H210.0.19044.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
microsoftwindows_11_24H210.0.26100.0
MicrosoftWindows Server 202510.0.26100.0

…and 20 more

Timeline

  • Apr 14, 2026 CVE Published
  • Apr 14, 2026 PoC Published
  • Apr 15, 2026 Security Advisory (137 in total, the first dated here)
  • May 18, 2026 EPSS Score (29 in total, the first dated here)
  • Jul 3, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-32165
vulnetix vdb fixes CVE-2026-32165

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-32165/fixes/registry"

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