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CVE-2026-62834: Azure Data Factory Elevation of Privilege Vulnerability

criticalCVSS 9.3CVE-2026-62834
Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.

CSIRTS triage

vendor: Microsoftproduct: Azure Data FactoryPrivilege escalation
What
Improper verification of cryptographic signature allows unauthorized privilege elevation over a network.
Who is affected
All Azure Data Factory deployments are affected.
Urgency
Critical severity (CVSS 9.3) with network exposure requires urgent remediation.
Action
Apply cryptographic signature verification fix from Microsoft for Azure Data Factory.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
critical — CVSS 9.3
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62834

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-62834coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Azure Data Factory

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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