CVE-2021-36948
Windows Update Medic Service Elevation of Privilege Vulnerability
Vexday Risk Score
56Attention
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
CVSS 7.8EPSS 19.9%KEV simPoC —Nuclei —Metasploit —Patch —
Lifecycle
12 Aug 2021Published on NVD
03 Nov 2021Active exploitation (CISA KEV)
Recommendation: Patch as soon as possible — active exploitation confirmed.
In short
A flaw in Windows Update Medic Service allows an attacker with local access to run commands with higher privileges than they should have. This can be exploited to gain administrative control over the system.
Technical detail
Local privilege escalation vulnerability in Windows Update Medic Service allows an authenticated user to execute arbitrary code with SYSTEM privileges. The vulnerability requires local access to the target system and can be triggered through the service's normal operation or exposed interfaces.
Summary generated and translated by AI from the official description.
Windows Update Medic Service Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 1909Microsoft · Windows 10 Version 2004Microsoft · Windows 10 Version 20H2Microsoft · Windows 10 Version 21H1Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server version 2004Microsoft · Windows Server version 20H2Want to know if your infrastructure is exposed to this?
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