GCVE-110-NCSC-2026-287

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published August 12, 2026

Improper access control in Microsoft Purview eDiscovery allows an authorized attacker to elevate privileges over a network, potentially compromising system integrity.

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Weaknesses (CWE)

CWE-35Path Traversal: '.../...//'CWE-471Modification of Assumed-Immutable Data (MAID)CWE-347Improper Verification of Cryptographic SignatureCWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')CWE-862Missing AuthorizationCWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')CWE-732Incorrect Permission Assignment for Critical ResourceCWE-306Missing Authentication for Critical FunctionCWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CWE-749Exposed Dangerous Method or FunctionCWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
Microsoft	vers:unknown/*	—	—

Aliases

CVE-2026-47299 CVE-2026-49163 CVE-2026-50481 CVE-2026-50516 CVE-2026-56161 CVE-2026-56162 CVE-2026-57104 CVE-2026-59115 CVE-2026-62830 CVE-2026-62869 CVE-2026-62873 CVE-2026-63522 CVE-2026-65668 CVE-2026-65673 CVE-2026-65806 CVE-2026-68823 CVE-2026-70340

References

advisory

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