CVE-2023-35298
HTTP.sys Denial of Service Vulnerability
7.5 High
HTTP.sys 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
1.78%Up 1.7 points since Jul 12, 2023
What each source reports
CVE List Score used
HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
- Record
CVE-2023-35298- 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-2023-39301
HTTP.sys Denial of Service Vulnerability
- Record
EUVD-2023-39301- 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
- 2026-11-03
GitHub AdvisoriesGHSA-3wg4-9v5r-3g2h
HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
- Record
GHSA-3wg4-9v5r-3g2h- 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 - Updated
- 2026-11-02
NVD
HTTP.sys Denial of Service Vulnerability
- Record
CVE-2023-35298- 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 |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-35298 is a high vulnerability (CVSS 7.5) in Microsoft Windows 11 Version 21h2, published July 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. No source names a fixed version.