Improper Access Control Vulnerability in Microsoft Purview eDiscovery
CVE-2026-65668

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Purview Ediscovery
Vendor
CVE Published:
6 August 2026

What is CVE-2026-65668?

An improper access control vulnerability in Microsoft Purview eDiscovery enables attackers, who already have valid authorization, to exploit the system for unauthorized privilege escalation over a network. This flaw can potentially allow attackers to gain access to sensitive data and perform actions beyond their intended permissions, raising serious security concerns for organizations utilizing this product.

Affected Version(s)

Microsoft Purview eDiscovery -

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.