CVE-2024-21326
Critical
Published: 26 January 2024
Published
26 January 2024
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score
0.0076
73.9th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-21326 is a critical-severity Use After Free (CWE-416) vulnerability in Microsoft Edge Chromium. Its CVSS base score is 9.6 (Critical).
Operationally, ranked in the top 26.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-19038
Vulnerability details
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
edge chromium
≤ 121.0.2277.83
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
addresses: CWE-416
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.