<p>An elevation of privilege vulnerability exists in the way that Microsoft COM for Windows handles objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p>
<p>To exploit the vulnerability, a user would have to open a specially crafted file.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft COM for Windows handles objects in memory.</p>
Severity
CVSS 3.1
7.9 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
EPSS
2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)