CVE-2026-26138

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Microsoft Purview", "source": "cna", "vendor": "Microsoft"}, "product": "office_purview", "vendor": "microsoft"}], "analysis": {"en": {"generated_at": "2026-03-24T19:53:36.629945+00:00", "value": {"mitigation_remediation": ["Apply the latest Microsoft Purview security update from the Microsoft Security Response Center.", "If a patch is not yet available, restrict Purview\u2019s outbound traffic to only required destinations.", "Monitor Purview logs for suspicious external request activity.", "Employ network segmentation and least\u2011privilege controls around Purview services."], "summary": {"action": "Patch", "impact": "Elevation of Privilege via Server\u2011Side Request Forgery"}, "threat_synthesis": {"affected_systems": "All deployments of Microsoft Purview, also known as Office Purview, are potentially affected because the CVE entry does not list specific version constraints.", "description_and_impact": "Microsoft Purview is vulnerable to a server\u2011side request forgery that allows an unauthenticated attacker to trigger the service to make outbound requests, potentially giving the attacker the ability to reach internal resources and elevate privileges, which aligns with CWE\u2011918.", "risk_and_exploitability": "The flaw carries a CVSS score of 8.6 and an EPSS score of less than 1\u202f%, indicating high severity but low likelihood of exploitation; the vulnerability is not listed in CISA\u2019s KEV catalog, and while no public exploit has been reported, the typical exploitation path would involve crafting requests that cause Purview to resolve arbitrary URLs \u2013 a mechanism that is inferred from the description of a server\u2011side request forgery."}}}}, "created": "2026-03-20T08:56:01.152645+00:00", "updated": "2026-03-25T11:54:50.998104+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$office_purview"]}