CVE-2026-20816

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20816

CVE-2026-20816 is a Windows Installer time-of-check/time-of-use (TOCTOU) race condition that can allow a local user with low privileges to escalate to higher privileges. The connected Nessus entries flag this as affecting Windows Installer and describe the vulnerability as a local privilege escal...