CVE-2026-85880
Microsoft Windows Heap-Based Buffer Overflow Vulnerability
7.8
CVSS 3.1
3.6 %
EPSS (current)
2026-09-08
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / Windows
Published: 2026-09-08 · Due (CISA): 2026-09-22
CWE: CWE-122 · EU list: no
Exploit references (metadata only)
No public exploit references recorded.