CVE-2026-69626

MEDIUM CVSS 3.1: 6.5 EPSS 0.92%
Updated Sep 17, 2026
Microsoft
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-126
Vendor Microsoft
Public PoC No

Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 13

Configuration From (including) Up to (excluding)
Microsoft 365_Apps
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
— —
Microsoft 365_Apps
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
— —
Microsoft Microsoft_365
cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
— —
Microsoft Office_2016
cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
— —
Microsoft Office_2016
cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*
— —
Microsoft Office_2019
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
— —
Microsoft Office_2019
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
— —
Microsoft Office_2021
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
— —
Microsoft Office_2021
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
— —
Microsoft Office_2021
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
— —
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
— —
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
— —
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
— —