Privilege escalation in Microsoft Windows 10 Update Assistant
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-36945 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Windows Update Assistant Client/Desktop applications / Other client software |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU55696
Risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-36945
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows 10 Update Assistant, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Update Assistant: All versions
CPE2.3 External linkshttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36945
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
