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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Windows 11 Version 23H2 | Microsoft | 10.0.22631.6936 |
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
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 |
| microsoft | windows_10_21H2 | 10.0.19044.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 |
| microsoft | windows_11_24H2 | 10.0.26100.0 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 |
…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"
The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- Windows User Interface Core Elevation of Privilege Vulnerability vendor-advisorypatch