CVE-2021-43211
Windows 10 Update Assistant Elevation of Privilege Vulnerability
Windows 10 Update Assistant Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows 10 Update Assistant Elevation of Privilege Vulnerability
Windows 10 Update Assistant Elevation of Privilege Vulnerability
- Record
CVE-2021-43211- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-30155
Windows 10 Update Assistant Elevation of Privilege Vulnerability
- Record
EUVD-2021-30155- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5g3j-j755-p6f8
Windows 10 Update Assistant Elevation of Privilege Vulnerability This CVE ID is unique from CVE...
Windows 10 Update Assistant Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-42297.
- Record
GHSA-5g3j-j755-p6f8- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Windows 10 Update Assistant Elevation of Privilege Vulnerability
- Record
CVE-2021-43211- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 6.6 Medium
AV:L/AC:L/Au:N/C:N/I:C/A:C - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43211 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 10 Update Assistant, published November 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.