Spoofing Vulnerability in Microsoft Office Outlook from Microsoft
CVE-2026-62882

4.3MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office 2019
Microsoft Office Ltsc 2021
Microsoft Office Ltsc 2024
Vendor
CVE Published:
11 August 2026

What is CVE-2026-62882?

A spoofing vulnerability in Microsoft Office Outlook enables unauthorized attackers to manipulate network communications, potentially compromising sensitive credentials. This flaw allows attackers to impersonate trusted users, leading to unauthorized access and data breaches. Users of Microsoft Office Outlook are urged to apply the latest security updates to mitigate these risks. For further details, refer to the Microsoft Security Response Center advisory.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2019 32-bit Systems 19.0.0

Microsoft Office LTSC 2021 32-bit Systems 16.0.1

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.