CVE-2026-69550: microsoft windows_app Buffer Over-read
CVSS: 6.5v3.1MediumModified
Published 19-08-2026Last modified 08-10-2026
Vulnerability summary
CVE-2026-69550 is a medium (CVSS 6.5) Buffer Over-read vulnerability in microsoft windows_app. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.92%
0%100%
Low · +0.27 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-08-2026PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.92%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
+0.27 pp
From 0.65% on 20-09-2026
20-09-202620-10-2026
EPSS score0.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
- windows_app< 11.3.9
- windows app for mac≥ 11.0.0, < 11.3.9
1 vendor · 2 products
