🛡️ CVE-2026-42905 — windows-10-1607
Description
Use after free in Windows DWM Core Library 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 low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2026-42905 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.
Affected software
CVE-2026-42905 is recorded against 14 packages.
- unknown
- windows-10-1607 (fixed in 10.0.14393.9234)
- windows-10-1809 (fixed in 10.0.17763.8880)
- windows-10-21h2 (fixed in 10.0.19044.7417)
- windows-10-22h2 (fixed in 10.0.19045.7417)
- windows-11-23h2 (fixed in 10.0.22631.7219)
- windows-11-24h2 (fixed in 10.0.26100.8655)
- windows-11-25h2 (fixed in 10.0.26200.8655)
- windows-11-26h1 (fixed in 10.0.28000.2269)
- windows-server-2012
- windows-server-2016 (fixed in 10.0.14393.9234)
- windows-server-2019 (fixed in 10.0.17763.8880)
- windows-server-2022 (fixed in 10.0.20348.5256)
- windows-server-2025 (fixed in 10.0.26100.32995)
Timeline and source
Published on 9 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
References
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| unknown | — | — |
| windows-10-1607 | — | 10.0.14393.9234 |
| windows-10-1809 | — | 10.0.17763.8880 |
| windows-10-21h2 | — | 10.0.19044.7417 |
| windows-10-22h2 | — | 10.0.19045.7417 |
| windows-11-23h2 | — | 10.0.22631.7219 |
| windows-11-24h2 | — | 10.0.26100.8655 |
| windows-11-25h2 | — | 10.0.26200.8655 |
| windows-11-26h1 | — | 10.0.28000.2269 |
| windows-server-2012 | — | — |
| windows-server-2016 | — | 10.0.14393.9234 |
| windows-server-2019 | — | 10.0.17763.8880 |
| windows-server-2022 | — | 10.0.20348.5256 |
| windows-server-2025 | — | 10.0.26100.32995 |
Similar Threats
- Unknown CVE-2022-0003
- Unknown CVE-2022-0303
- High CVE-2022-1206
- Unknown CVE-2022-0931
- Unknown CVE-2022-0094
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
Site Security Check
Is windows-10-1607 part of your stack?
CVE-2026-42905 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.