CVE-2016-0099
Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
CVSS
—
No CVSS
EPSS
37.2%
p98
KEV
YES
Mar 3, 2022
Exploit Today
80
0-100
Published: — · Last modified: —
37.2%EPSS · 30 days37.2%
2026-06-302026-07-16
Product
Microsoft / Windows
Vulnerability
Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
Added to KEV
Mar 3, 2022
Remediate by
Mar 24, 2022
Known ransomware use
Yes
Summary description
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.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2016-0099
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