CVE-2016-0099
CISA KEVPublished March 3, 2022 · Updated April 3, 2026
high
Official 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.
Affected Products
| Vendor | Product |
|---|---|
| Microsoft | Windows |
Patch Status
Patch by 2022-03-24
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2016-0099.