What is CVE-2026-69550?

CVE-2026-69550 is a medium-severity vulnerability in Microsoft Windows App, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2026-08-19.

How severe is CVE-2026-69550?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Microsoft Windows App

CVE-2026-69550

Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

Published 2026-08-19 · last modified 2026-08-27.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.0th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.003

Affected products

Weakness classification (CWE)

References

Windows App for Mac Information Disclosure Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69550?: CVE-2026-69550 is a medium-severity vulnerability in Microsoft Windows App, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2026-08-19.
How severe is CVE-2026-69550?: Medium severity. CVSS v3 base score is 6.5 out of 10.