Medium (5.5) in microsoft. EPSS 3.3% chance of exploitation in the next 30 days.
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights.
There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage.
The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory.
Severity
CVSS 3.1
5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)