CVE-2021-36931

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 70.1% of scored records. A rank, not a probability.

NVD base score

4.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

NVD analysis status

Modified. 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.

Published

2021-08-26 17:20Z5 YR AGO

Last updated

2026-08-10 15:11Z2 MO AGO

Reserved

2021-07-19

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Medium (CVSS 4.4)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weaknesses

• CWE-269Improper Privilege ManagementClass

Data version

5.2

Document digest

83c4b899f052893f0611d1b5d86871d4b6a86fa6217e9207ab70335b7697d46e

• msrc.microsoft.comMicrosoft Edge (Chromium-based) Elevation of Privilege Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36931vendor-advisorypatch
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36931x_refsource_MISC