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TI-2026-48861 Aliases CVE-2026-69550GHSA-rr83-9vpv-vfgg

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

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows App for Mac11.0.0 to before 11.3.911.3.9Patch availableCNA
  • Windows App for Mac VendorMicrosoft Affected 11.0.0 to before 11.3.9 Fixed in 11.3.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:macos:*:*before 11.3.9VulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:macos:*:* Versions before 11.3.9 Vulnerable ·Microsoft

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
ProductStatusPlan or fix
Windows App for MacFixed 11.3.9 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-69550
  2. 2026-10-03 Alias added: GHSA-rr83-9vpv-vfgg

References

  • 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
See all 20 →

Sources