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CVE-2025-59243: 365 apps Version not applicable in the source CPE; +4 more affected products
CVE-2025-59243. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00453 (percentile 0.37896), scored 17-Oct-2026.
Affected technology
365 apps · Version not applicable in the source CPE
microsoft
office long term servicing channel · 2021
microsoft
office long term servicing channel · 2024
microsoft
Microsoft 365 Apps for Enterprise · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft
Microsoft Office LTSC 2021 · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft
Microsoft Office LTSC 2024 · 16.0.0 to before https://aka.ms/OfficeSecurityReleases
Microsoft
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required
What an attacker can do
The source says use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Vendor/CNA’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-416
- CCR priority
- 31.3 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00453 · percentile 0.37896 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-59243.html