Use After Free in Microsoft Windows 11 22h2
CVE-2024-43642
Windows SMB Denial of Service Vulnerability
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.631 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.631 · newest: 0.631 · change: 0.000
Affected products
- Microsoft Windows 11 22h2
- Microsoft Windows 11 23h2
- Microsoft Windows 11 24h2
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
- Microsoft Windows 11 Version 22h3 — versions 10.0.22631.0
- Microsoft Windows 11 Version 23h2 — versions 10.0.22631.0
- Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
- Microsoft Windows Server 2022 — versions 10.0.20348.0
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022 23h2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43642 (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-43642?
- CVE-2024-43642 is a high-severity vulnerability in Microsoft Windows 11 22h2, classified under Use After Free. CVSS score: 7.5/10. Published 2024-11-12.
- How severe is CVE-2024-43642?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-43642 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.