CVE-2021-38669
Microsoft Edge (Chromium-based) Tampering Vulnerability
Microsoft Edge (Chromium-based) Tampering Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
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) Tampering Vulnerability
Microsoft Edge (Chromium-based) Tampering Vulnerability
- Record
CVE-2021-38669- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-25108
Microsoft Edge (Chromium-based) Tampering Vulnerability
- Record
EUVD-2021-25108- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5fmc-j34m-xvqh
Microsoft Edge (Chromium-based) Tampering Vulnerability
Microsoft Edge (Chromium-based) Tampering Vulnerability
- Record
GHSA-5fmc-j34m-xvqh- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
NVD
Microsoft Edge (Chromium-based) Tampering Vulnerability
- Record
CVE-2021-38669- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/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-2021-38669 is a medium vulnerability (CVSS 6.4) in Microsoft Edge, published September 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.92%, the 87th percentile. No source names a fixed version.