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Δ / VULNERABILITY RECORD

CVE-2025-11234.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 06, 2025

Disclosure summary

Qemu-kvm: vnc websocket handshake use-after-free

Source-reported weakness categories

CWE-416

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Oct

Open original source · Updated Oct 06, 2025

Qemu-kvm: vnc websocket handshake use-after-free

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 7.5

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 qemu 8.2.0-19 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 qemu 6.2.0-24 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 qemu 8.2.0-21 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 qemu 8.2.0-23 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 qemu 6.2.0-25 on CBL Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 6.2.0-25 · product IDs 17093-17086, 20602-17086
  • Vendor guidance · product IDs 17093-17086, 20602-17086
  • CBL-Mariner Releases · build 8.2.0-23 · product IDs 20559-17084, 20615-17084
  • Vendor guidance · product IDs 20559-17084, 20615-17084

Original records & references

PUBLISHED 2025-10-06T21:01:16-04:00
MODIFIED 2025-10-06T21:01:16-04:00
INGESTED 2026-10-08T12:45:32-04:00