CVE-2023-33161
HighUpdated
Published: 11 July 2023
Published
11 July 2023
Modified
19 May 2026
KEV Added
—
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
0.0086
75.4th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-33161 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 24.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-37346
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
2019
microsoft
office long term servicing channel
2021
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.