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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since March 3, 2022.

Known ransomware use

CVE-2016-0099

Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability

Microsoft · Windows

Added to KEV March 3, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2016-0099
CWE
CWE-264
Affected products
Windows · Microsoft Windows · Microsoft

What happened

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.

What it means for your business

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2016-0099). 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. CISA remediation due date: 2022-03-24. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: March 24, 2022

Sources

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