What is CVE-2024-21387?

CVE-2024-21387 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under CWE-357. CVSS score: 5.3/10. Published 2024-01-26.

How severe is CVE-2024-21387?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2024-21387 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Edge (Chromium-based)

CVE-2024-21387

Microsoft Edge for Android Spoofing Vulnerability

EPSS: 0.042 (88.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C.

Affected products

Microsoft Edge (Chromium-based) — versions 1.0.0
Microsoft Edge (Chromium-based) Extended Stable — versions 1.0.0

Weakness classification (CWE)

CWE-357

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

Microsoft Edge for Android Spoofing Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2024-21387?: CVE-2024-21387 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under CWE-357. CVSS score: 5.3/10. Published 2024-01-26.
How severe is CVE-2024-21387?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-21387 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.