CVE-2025-49697

HIGH

Microsoft 365 Apps < 16.0.10417.20027 - Heap Buffer Overflow

Title source: rule
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 8.4
EPSS 0.0027
EPSS Percentile 50.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (7)
microsoft/365_apps (2 CPE variants)
microsoft/office
microsoft/office 2016 (2 CPE variants)
microsoft/office 2019 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2021 (3 CPE variants)
microsoft/office_long_term_servicing_channel 2024 (3 CPE variants)
microsoft/office_online_server < 16.0.10417.20027
Published Jul 08, 2025
Tracked Since Feb 18, 2026