Type Confusion Vulnerability in Microsoft Office Outlook
CVE-2026-119993

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Microsoft Office Ltsc 2024
Vendor
CVE Published:
10 November 2026

What is CVE-2026-119993?

A type confusion vulnerability in Microsoft Office Outlook can be exploited by an attacker to access resources inappropriately. This flaw can lead to unauthorized information disclosure across network connections, potentially compromising sensitive data. Users are advised to apply the necessary updates to mitigate this risk.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office LTSC 2021 32-bit Systems 16.0.1 < 16.0.14334.21048

Microsoft Office LTSC 2024 32-bit Systems 16.0.0 < 16.0.17932.21140

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.