01 Record
CVE-2022-21907
HTTP Protocol Stack Remote Code Execution Vulnerability
CriticalPUBLISHEDCNA: microsoft
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
02 Description
HTTP Protocol Stack Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 92.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.8% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-01-11 20:23Z4 YR AGO
- Last updated
- 2025-01-02 18:22Z1 YR AGO
- Reserved
- 2021-12-14
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- 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
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- f9883d9a8413dc3bba256d1244c91599ddc7a795edf1b727be8f6c4606245dd4
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180910.0.17763.0 to < 10.0.17763.2452, 10.0.0 to < 10.0.17763.245232-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.2452x64-based Systems
MicrosoftWindows 10 Version 21H110.0.0 to < 10.0.19043.1466x64-based Systems, ARM64-based Systems, 32-bit Systems
MicrosoftWindows 10 Version 21H210.0.19043.0 to < 10.0.19044.146632-bit Systems, ARM64-based Systems, x64-based Systems
06 References
- msrc.microsoft.comHTTP Protocol Stack Remote Code Execution Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21907
- portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21907
- packetstormsecurity.comhttp://packetstormsecurity.com/files/166730/Microsoft-HTTP-Protocol-Stack-Denial-Of-Service.html