CVE-2021-31937
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.2
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
CVE-2021-31937- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2021-18810
8.2
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
EUVD-2021-18810- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2vvp-rqvq-vxv2
8.2
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
GHSA-2vvp-rqvq-vxv2- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
8.2
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
CVE-2021-31937- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N - 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-2021-31937 is a high vulnerability (CVSS 8.2) in Microsoft Edge (chromium-based), published June 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.