CVE-2021-26436
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
CVE-2021-26436- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-13241
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
EUVD-2021-13241- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cgfp-7g8f-3v37
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability This CVE ID is unique from...
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-36930.
- Record
GHSA-cgfp-7g8f-3v37- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- Record
CVE-2021-26436- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - 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-2021-26436 is a medium vulnerability (CVSS 6.1) in Microsoft Edge, published September 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.77%, the 86th percentile. No source names a fixed version.