CVE-2026-69919
Windows Cryptographic Services Information Disclosure Vulnerability
Microsoft Windows 11 Version 24H2Operating systems
CVSS
5.5MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.40%Chance of exploitation activity in the next 30 days, higher than 33% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 10.0.26100.9711Windows 11 Version 24H2CVE List
- 10.0.26200.9711Windows 11 Version 25H2CVE List
- 10.0.28000.3231Windows 11 version 26H1CVE List
- 10.0.26300.9711Windows 11 Version 26H2CVE List
- 10.0.26100.33650Windows Server 2025CVE List
- 10.0.26100.33650Windows Server 2025 (Server Core installation)CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Out-of-bounds read in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Text from CVE List
Affected versions 6
- Windows 11 Version 24H2affected: 10.0.26100.0 before 10.0.26100.9711CVE List
- Windows 11 Version 25H2affected: 10.0.26200.0 before 10.0.26200.9711CVE List
- Windows 11 version 26H1affected: 10.0.28000.0 before 10.0.28000.3231CVE List
- Windows 11 Version 26H2affected: 10.0.26300.0 before 10.0.26300.9711CVE List
- Windows Server 2025affected: 10.0.26100.0 before 10.0.26100.33650CVE List
- Windows Server 2025 (Server Core installation)affected: 10.0.26100.0 before 10.0.26100.33650CVE List