Use After Free in Microsoft Windows_10_1507
CVE-2025-49743
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Vulnerability class: Race Condition
EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10_1507
- Microsoft Windows_10_1607
- Microsoft Windows_10_1809
- Microsoft Windows_10_21h2
- Microsoft Windows_10_22h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-49743?
- CVE-2025-49743 is a medium-severity vulnerability in Microsoft Windows_10_1507, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.7/10. Published 2025-08-12.
- How severe is CVE-2025-49743?
- Medium severity. CVSS v3 base score is 6.7 out of 10.