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Vulnerabilities

Vulnerability · CVE-2025-64663

Custom Question Answering Elevation of Privilege Vulnerability

Published Dec 18, 2025 · catalog updated Apr 16, 2026 · Microsoft Azure Cognitive Service for Language

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64663. EPSS is 0.71%. Act only if a listed version of Microsoft Azure Cognitive Service for Language is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.71%
Remediation
Advisory link
Affected products
vendor Microsoft Azure Cognitive Service for Language -

Custom Question Answering Elevation of Privilege Vulnerability

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Azure Cognitive Service for Language --

How to fix CVE-2025-64663

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64663. EPSS is 0.71%. Act only if a listed version of Microsoft Azure Cognitive Service for Language is installed.

Which versions are affected?

Compare what you have installed with Microsoft Azure Cognitive Service for Language - -. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 18, 2025 · EUVD

    Detected

    Custom Question Answering Elevation of Privilege Vulnerability

  2. Apr 16, 2026 · EUVD

    Updated

    Custom Question Answering Elevation of Privilege Vulnerability

Sources

  • CVE.orgVulnerability recordCVE-2025-64663

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64663

    30-day exploitation probability 0.71%

    first.org
  • EUVDVulnerability recordEUVD-2025-204416

    Custom Question Answering Elevation of Privilege Vulnerability

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 30, 2026
  • EUVDOct 30, 2026