Vulnerabilities

CVSS

8.8 High

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Risk score

70.4

Published

2026-08-03

Status

Published

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Weaknesses

CWE-416

Coverage 1

vulnerability

Vulnérabilité dans Microsoft Office (03 août 2026)

A remote code execution vulnerability has been identified in Microsoft Office, allowing attackers to execute arbitrary code. This affects various versions of Office 365, Excel, and Office LTSC, requiring immediate patchi…

CERT-FR · Aug 3, 2026 High

CVE-2026-62870remotecodeexecution

All articles mentioning it

Advisories and references

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62870