CVE-2026-68809

MEDIUM CVSS 3.1: 5.5 EPSS 0.28%
Updated Aug 14, 2026
Microsoft
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions 16.0.0 — https://aka.ms/OfficeSecurityReleases
Fixed In https://aka.ms/OfficeSecurityReleases
Type CWE-459
Vendor Microsoft
Public PoC No

Incomplete cleanup in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

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 15

Configuration From (including) Up to (excluding)
Microsoft Office_2019
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
19.0.0 https://aka.ms/OfficeSecurityReleases
Microsoft 365_Apps
cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
16.0.1 https://aka.ms/OfficeSecurityReleases
Microsoft Office_2021
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
16.0.1 https://aka.ms/OfficeSecurityReleases
Microsoft Office_2024
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
16.0.0 https://aka.ms/OfficeSecurityReleases
Microsoft Powerpoint_2016
cpe:2.3:a:microsoft:powerpoint_2016:*:*:*:*:*:*:*:*
16.0.0 16.0.5565.1001
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 Powerpoint
cpe:2.3:a:microsoft:powerpoint:2016:*:*:*:*:*:x64:*
Microsoft Powerpoint
cpe:2.3:a:microsoft:powerpoint:2016:*:*:*:*:*:x86:*