peter bassill · operator
$ cve CVE-2023-23399 JSON

CVE-2023-23399 EXPLOIT

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

Patch early

A public exploit exists.

Description

Microsoft Excel Remote Code Execution Vulnerability

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
EPSS2.53% — more likely to be exploited than 84% of all CVEs
WeaknessCWE-125
On CISA KEVno
Public exploityes
Published2023-03-14
Last modified2026-06-17

Affected (6)

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

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD