CVE-2016-0099
Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
Microsoft · Windows
Vulnerability details
A privilege escalation vulnerability exists in Microsoft Windows if the Windows Secondary Logon Service fails to properly manage request handles in memory. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator.
Added to CISA KEV: 2022-03-03
Ransomware campaign use: Known
CISA due date: 2022-03-24
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC