Vulnerability in Microsoft Windows 10 1607
CVE-2023-21555
Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10_1607
- Microsoft Windows_10_1809
- Microsoft Windows_10_20h2
- 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, 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21555?
- CVE-2023-21555 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.1/10. Published 2023-01-10.
- How severe is CVE-2023-21555?
- High severity. CVSS v3 base score is 8.1 out of 10.