CVE-2022-21907HTTP Protocol Stack Remote Code Execution Vulnerability
- 9.8CriticalCVSS base score
- 92.8%Exploitation in 30 daysEPSS · top 0.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
HTTP Protocol Stack Remote Code Execution Vulnerability
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Windows 10 v21H1 - HTTP Protocol Stack Remote Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 51575remote, windowspublished 7 Jul 2023Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 28 days later
· 28 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 92.8% · top 0.2% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows 10 Version 1809
- affected 10.0.0 – < 10.0.17763.2452
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows 10 Version 21H1
- affected 10.0.0 – < 10.0.19043.1466
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.469
Microsoft · Windows 10 Version 20H2
- affected 10.0.0 – < 10.0.19042.1466
Microsoft · Windows Server version 20H2
- affected 10.0.0 – < 10.0.19042.1466
Microsoft · Windows 11 version 21H2
- affected 10.0.0 – < 10.0.22000.434
Microsoft · Windows 10 Version 21H2
- affected 10.0.19043.0 – < 10.0.19044.1466
References
References3
- HTTP Protocol Stack Remote Code Execution Vulnerability (opens in a new tab)vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21907 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/166730/Microsoft-HTTP-Protocol-Stack-Denial-Of-Service.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-27063 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-21907)Record last updated .