CVE-2022-35838
highpriority · track · 1EPSS 0.027 · 86 %ileEURUUSEPSS · scored 2026-10-28
HTTP V3 Denial of Service Vulnerability
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.978:Security Update:https://support.microsoft.com/help/5017328
https://support.microsoft.com/help/5017328 - FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.978:Security Update:https://support.microsoft.com/help/5017328
https://support.microsoft.com/help/5017328 - FixedWindows Server 2022msrc_csaf
10.0.20348.1006:Security Update:https://support.microsoft.com/help/5017316
https://support.microsoft.com/help/5017316 - FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.1006:Security Update:https://support.microsoft.com/help/5017316
https://support.microsoft.com/help/5017316
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
- microsoft windows server 2022all versionsnvdUScpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- msrc_CVE-2022-35838HTTP V3 Denial of Service Vulnerability2022-09-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-35838/cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35838cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-35838cnnvd
- https://vigilance.fr/vulnerability/Windows-vulnerabilities-of-September-2022-39270cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35838enisa_euvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35838nvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan