Windows App for Mac Information Disclosure Vulnerability
Priority LOW 31CWE-126Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00922 60th percentileScored 2026-11-07
Fix Fixed Windows App for Mac (Microsoft): 11.3.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Windows App for Mac (Microsoft) Fixed in 11.3.9
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Information Disclosure
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Windows App for Mac | Fixed | 11.3.9 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-69550
- 2026-10-03 Alias added: GHSA-rr83-9vpv-vfgg
References
More Microsoft Windows App vulnerabilities
- TI-2026-42292 Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-19580 Remote Desktop Client Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2026-31167 Remote Desktop Client Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2025-21342 Remote Desktop Client Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2026-42300 Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
- TI-2026-34866 Remote Desktop Client Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2026-69550 · CVE Program
- CVE-2026-69550 · NVD
- FIRST EPSS
- GHSA-rr83-9vpv-vfgg · GitHub Advisory Database · CC BY 4.0
- CVE-2026-69550 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences