Medium severity · published Aug 19, 2026
CVE-2026-69550
Windows App for Mac Information Disclosure Vulnerability
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Windows App for Mac · Microsoft
11.0.0 before 11.3.9 · source: vendor
WA
Windows App · Microsoft
before 11.3.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-69550
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69550
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