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Azure Compute Gallery CVE-2026-26147

| EUVD-2026-31516 HIGH
Improper Input Validation (CWE-20)
2026-05-22 microsoft GHSA-jp7v-xgrx-wqjf
7.7
CVSS 3.1
Temporal: 6.7
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
May 22, 2026 - 22:48 vuln.today

DescriptionNVD

Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

AnalysisAI

Information disclosure in Microsoft Azure Compute Gallery permits an authenticated remote attacker to read sensitive data across tenant or resource boundaries due to improper input validation (CWE-20). The scope-changed CVSS 7.7 rating reflects cross-boundary impact, but the exploit maturity is currently unproven (E:U) and no public exploit identified at time of analysis. …

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RemediationAI

Within 24 hours: Inventory all Azure Compute Gallery instances and assess patch applicability. Within 7 days: Apply Microsoft's official security update released via MSRC to all affected deployments. …

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CVE-2026-26147 vulnerability details – vuln.today

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