🛡️ CVE-2026-32165 — windows-10-1809
Description
Use after free in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2026-32165 is classified as CWE-362: Race Condition. Concurrent operations share state without proper synchronisation, so timing decides whether the result is correct.
Affected software
CVE-2026-32165 is recorded against 11 packages.
- windows-10-1809 (fixed in 10.0.17763.8644)
- windows-10-21h2 (fixed in 10.0.19044.7184)
- windows-10-22h2 (fixed in 10.0.19045.7184)
- windows-11-23h2 (fixed in 10.0.22631.6936)
- windows-11-24h2 (fixed in 10.0.26100.8246)
- windows-11-25h2 (fixed in 10.0.26200.8246)
- windows-11-26h1 (fixed in 10.0.28000.1836)
- windows-server-2019 (fixed in 10.0.17763.8644)
- windows-server-2022 (fixed in 10.0.20348.5020)
- windows-server-2022-23h2 (fixed in 10.0.25398.2274)
- windows-server-2025 (fixed in 10.0.26100.32690)
Timeline and source
Published on 14 April 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
References
Details
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| windows-10-1809 | — | 10.0.17763.8644 |
| windows-10-21h2 | — | 10.0.19044.7184 |
| windows-10-22h2 | — | 10.0.19045.7184 |
| windows-11-23h2 | — | 10.0.22631.6936 |
| windows-11-24h2 | — | 10.0.26100.8246 |
| windows-11-25h2 | — | 10.0.26200.8246 |
| windows-11-26h1 | — | 10.0.28000.1836 |
| windows-server-2019 | — | 10.0.17763.8644 |
| windows-server-2022 | — | 10.0.20348.5020 |
| windows-server-2022-23h2 | — | 10.0.25398.2274 |
| windows-server-2025 | — | 10.0.26100.32690 |
References
Similar Threats
- High CVE-2022-35743
- Critical CVE-2022-35744
- High CVE-2022-35745
- High CVE-2022-35746
- Medium CVE-2022-35747
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
Site Security Check
Is windows-10-1809 part of your stack?
CVE-2026-32165 is rated CVSS 7.8 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.
Scan My Site Free →No credit card required · Results in minutes
ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.