CVE-2021-41351
Microsoft Edge (Chrome based) Spoofing on IE Mode
Microsoft Edge (Chrome based) Spoofing on IE Mode
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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Edge (Chrome based) Spoofing on IE Mode
Microsoft Edge (Chrome based) Spoofing on IE Mode
- Record
CVE-2021-41351- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-28380
Microsoft Edge (Chrome based) Spoofing on IE Mode
- Record
EUVD-2021-28380- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4q46-hmgh-8fr2
Microsoft Edge (Chrome based) Spoofing on IE Mode
Microsoft Edge (Chrome based) Spoofing on IE Mode
- Record
GHSA-4q46-hmgh-8fr2- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
NVD
Microsoft Edge (Chrome based) Spoofing on IE Mode
- Record
CVE-2021-41351- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ImuSpirit/CVE-2021-41351-POC | 2021-11-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41351 is a medium vulnerability (CVSS 4.3) in Microsoft Edge, published November 10, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.91%, the 90th percentile. No source names a fixed version.