Microsoft Purview eDiscovery Remote Code Execution Vulnerability

published 2025-12-18 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-204413

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

'.../...//' in Microsoft Purview allows an authorized attacker to execute code over a network.

Patch / fix

links 1

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64676 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 10 mo ago (2025-12-20)

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Microsoft Purview

Classification

Weakness

CWE-35 Path Traversal: '.../...//'
CWE-94 Improper Control of Generation of Code

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2025-64676
vendor-advisory, patch

Sources

CVE List CVE-2025-64676
NVD CVE-2025-64676

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary