Double Free in Microsoft 365 Apps For Enterprise
CVE-2026-118719
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
FIRST.org has not scored this CVE yet. About EPSS.
Affected products
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118719 (vendor-advisory, patch)