CVE-2024-21426
High
Published: 12 March 2024
Published
12 March 2024
Modified
29 November 2024
KEV Added
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Patch
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CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0093
76.6th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-21426 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Sharepoint Server. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 23.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-19135
Vulnerability details
Microsoft SharePoint Server Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
sharepoint server
2016, 2019, all versions
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.