SMB Client and Server Remote Code Execution Vulnerability
Priority MEDIUM 45Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
SMB Client and Server Remote Code Execution Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02989 87th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.856 | 10.0.22000.856 | Patch available | CNA |
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.856 Fixed in 10.0.22000.856 Patch available CNA
Remediation
Microsoft 1 update
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.856
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.856
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- —
- Exploitability
- Exploitation More Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2022-35804
- 2026-10-03 Alias added: GHSA-hq89-86g9-8p72
References
More Microsoft Windows 11 vulnerabilities
- TI-2021-17499 Win32k Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-08140 Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2022-12476 Windows Server Service Tampering Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2022-35804 · CVE Program
- CVE-2022-35804 · NVD
- FIRST EPSS
- GHSA-hq89-86g9-8p72 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-35804 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences