CVEvulnerability

CVE-2026-42831

7.8 HIGH Published 2026-05-12 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-05-12
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-122

Description

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected configurations

• microsoft 365 copilot (< 16.0.19822.20190) • microsoft office 2024 • microsoft office long term servicing channel 2021

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References