CVE-2024-43642
Windows SMB Denial of Service Vulnerability
7.5 High
Windows SMB Denial of Service Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
63.1%Up 63.0 points since Nov 13, 2024
What each source reports
CVE List Score used
7.5
Windows SMB Denial of Service Vulnerability
Windows SMB Denial of Service Vulnerability
- Record
CVE-2024-43642- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2024-40387
7.5
Windows SMB Denial of Service Vulnerability
- Record
EUVD-2024-40387- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x3c4-52mm-7pp9
7.5
Windows SMB Denial of Service Vulnerability
Windows SMB Denial of Service Vulnerability
- Record
GHSA-x3c4-52mm-7pp9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
7.5
Windows SMB Denial of Service Vulnerability
- Record
CVE-2024-43642- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
- microsoft windows 11 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows server 2022
- microsoft windows server 2022, 23h2 edition (server core installation)
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 11 22h2
- microsoft windows 11 23h2
- microsoft windows 11 24h2
- microsoft windows server 2022 23h2
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-43642 is a high vulnerability (CVSS 7.5) in Microsoft Windows 11 Version 22h2, published November 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 63.1%, the 99th percentile. No source names a fixed version.