CVE-2026-81385

HIGH CVSS 3.1: 8.8 EPSS 1.29%
Updated Sep 09, 2026
Microsoft
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 16.0.0 — 16.0.5569.1002
Fixed In 16.0.10417.20207
Type CWE-502 (Deserialization of Untrusted Data)
Vendor Microsoft
Public PoC No

Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code 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
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 15

Configuration From (including) Up to (excluding)
Microsoft Office_2019
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
19.0.0 16.0.10417.20207
Microsoft 365_Apps
cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
16.0.1 16.0.20326.20138
Microsoft Office_2021
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
16.0.1 16.0.14334.20906
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
16.0.0 16.0.17932.20976
Microsoft Publisher_2016
cpe:2.3:a:microsoft:publisher_2016:*:*:*:*:*:*:x86:*
16.0.0 16.0.5569.1002
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 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_2024
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
— —
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
— —
Microsoft Publisher
cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x64:*
— —
Microsoft Publisher
cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x86:*
— —