CVE-2025-53732

HIGH

Microsoft Office < 16.0.14326.22618 and < 16.0.19127.20000 - Heap-based Buffer Overflow

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0045
EPSS Percentile 36.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122 CWE-787
Status published
Products (3)
microsoft/365_copilot < 16.0.19127.20000
microsoft/office < 16.0.14326.22618
microsoft/office < 16.0.19127.20000
Published Aug 12, 2025
Tracked Since Feb 18, 2026