CVE-2023-35298 json
HTTP.sys Denial of Service Vulnerability
published 2023-07-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39301
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
HTTP.sys Denial of Service Vulnerability
Patch / fix
- Microsoft Windows Server 2022 10.0.20348.1850
- Microsoft Windows 11 version 21H2 10.0.22000.2176
- Microsoft Windows 11 version 22H2 10.0.22621.1992
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.78% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Microsoft Windows 11 version 22H2
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-35298
vendor-advisory, patch
Sources
- CVE List CVE-2023-35298
- NVD CVE-2023-35298
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.