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01 Record

CVE-2021-36934

Windows Elevation of Privilege Vulnerability

HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:T/RC:C
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02 Description

Windows Elevation of Privilege Vulnerability

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-02-10. Federal remediation due 2022-02-24.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
67.25% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 99.2% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-08-10.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-07-22 07:05Z5 YR AGO
Last updated
2026-08-10 15:11Z2 MO AGO
Reserved
2021-07-19
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:T/RC:C
Weaknesses
No CWE assigned
Data version
5.2
Document digest
cc0067cf18fbf6ae92808ea90d8a1e0e4b9bd4fea7b4ec9ee400f72d4d74ecd7

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180910.0.17763.0 to < 10.0.17763.2114, 10.0.0 to < 10.0.17763.211432-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows 10 Version 190910.0.0 to < 10.0.18363.173432-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 200410.0.0 to < 10.0.19041.116532-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 20H210.0.0 to < 10.0.19042.116532-bit Systems, ARM64-based Systems
MicrosoftWindows 10 Version 21H110.0.0 to < 10.0.19043.116532-bit Systems, ARM64-based Systems, x64-based Systems

06 References