What is CVE-2024-21337?

CVE-2024-21337 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Heap-based Buffer Overflow. CVSS score: 5.2/10. Published 2024-01-11.

How severe is CVE-2024-21337?

Medium severity. CVSS v3 base score is 5.2 out of 10.

Is CVE-2024-21337 known to be exploited?

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

Buffer overflow in Microsoft Edge (Chromium-based)

CVE-2024-21337

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Vulnerability class: Buffer Overflow

EPSS: 0.009 (76.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L/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-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2024-21337?: CVE-2024-21337 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Heap-based Buffer Overflow. CVSS score: 5.2/10. Published 2024-01-11.
How severe is CVE-2024-21337?: Medium severity. CVSS v3 base score is 5.2 out of 10.
Is CVE-2024-21337 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.