CVE-2024-26257
HighUpdated
Published: 09 April 2024
Published
09 April 2024
Modified
19 May 2026
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
0.0052
67.1th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-26257 is a high-severity Double Free (CWE-415) vulnerability in Microsoft 365 Apps. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 32.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-23533
Vulnerability details
Microsoft Excel 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
365 apps
all versions
microsoft
office long term servicing channel
2021
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.