CVE-2021-31982
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
Microsoft Edge (Chromium-based) Security Feature Bypass 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
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- Record
CVE-2021-31982- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2021-18854
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- Record
EUVD-2021-18854- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r3ww-6w46-7xwj
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- Record
GHSA-r3ww-6w46-7xwj- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- Record
CVE-2021-31982- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- 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-2021-31982 is a high vulnerability (CVSS 8.8) in Microsoft Edge (chromium-based), published June 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. No source names a fixed version.