CVE-2025-53763Network attack vector

Unauthenticated privilege escalation via undisclosed access-control flaw

Published Aug 21, 2025 · Updated Feb 26, 2026

Improper access control in Microsoft Purview Data Governance allows remote attackers to elevate privileges through Azure Databricks. Microsoft has not disclosed which Purview or Azure Databricks request path performs the incorrect authorization operation. The attack requires no account or user interaction, but Microsoft has not described which privileges are gained or which resources become accessible.

CVSS severityUnavailable
Unscored
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Microsoft Purview Data Governance allows remote attackers to elevate privileges through Azure Databricks. Microsoft has not disclosed which Purview or Azure Databricks request path performs the incorrect authorization operation. The attack requires no account or user interaction, but Microsoft has not described which privileges are gained or which resources become accessible.

The record

CVE
CVE-2025-53763
Published
Aug 21, 2025
Updated
Feb 26, 2026
Vendor
Microsoft
Product
Microsoft Purview Data Governance
Classifications
CWE-284, T1068
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=-

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft Purview Data Governanceversion=-

Published CVSS scores

9.8MicrosoftCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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