CVE-2021-42297
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
- Required
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-2021-42297- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-29272
Windows 10 Update Assistant Elevation of Privilege Vulnerability
- Record
EUVD-2021-29272- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3jrq-x5vv-pvcw
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-2021-43211.
- Record
GHSA-3jrq-x5vv-pvcw- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
Windows 10 Update Assistant Elevation of Privilege Vulnerability
- Record
CVE-2021-42297- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-59
- 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-2021-42297 is a medium vulnerability (CVSS 5.0) 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 1.44%, the 73rd percentile. No source names a fixed version.