CVE-2026-69477

high Microsoft
CVSS v3 Base Score
7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 65% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: September 8, 2026 (2 days ago)
Last Modified: September 10, 2026
Vendor: Microsoft
Source: NVD

Description

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

CWE

CWE-122

Affected Products

microsoft 365 appsmicrosoft accessmicrosoft office 2019microsoft office 2021microsoft office 2024

References