CVE-2024-21342
Windows DNS Client Denial of Service Vulnerability
7.5 High
Windows DNS Client 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
2.54%Up 2.5 points since Feb 14, 2024
What each source reports
CVE List Score used
Windows DNS Client Denial of Service Vulnerability
Windows DNS Client Denial of Service Vulnerability
- Record
CVE-2024-21342- 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-400
- Updated
- 2026-11-02
EUVDEUVD-2024-19054
Windows DNS Client Denial of Service Vulnerability
- Record
EUVD-2024-19054- 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-95rw-m3jj-r8jm
Windows DNS Client Denial of Service Vulnerability
Windows DNS Client Denial of Service Vulnerability
- Record
GHSA-95rw-m3jj-r8jm- 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-400
- Updated
- 2026-11-02
NVD
Windows DNS Client Denial of Service Vulnerability
- Record
CVE-2024-21342- 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-400
- Updated
- 2026-11-02
Affected products
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-2024-21342 is a high vulnerability (CVSS 7.5) in Microsoft Windows 11 Version 22h2, published February 13, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 85th percentile. No source names a fixed version.