peter bassill · operator
$ cve CVE-2025-27751 JSON

CVE-2025-27751 EXPLOIT

7.8
HIGH · CVSS 3.1 · EPSS 2.5% (pctl 84)

Patch early

A public exploit exists.

Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Scoring

CVSS7.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS2.48% — more likely to be exploited than 84% of all CVEs
WeaknessCWE-416
On CISA KEVno
Public exploityes
Published2025-04-08
Last modified2026-06-17

Affected (5)

VendorProduct
microsoft365 apps
microsoftexcel
microsoftoffice
microsoftoffice long term servicing channel
microsoftoffice online server

Public exploits

SourceTitleDate
exploit-dbMicrosoft Excel Use After Free - Local Code Execution2025-06-15

References

→ the Explorer  ·  watch your stack  ·  NVD