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CVE-2026-74273VulnerabilityPublished Updated

Microsoft · cxl/region: Block region delete during region creation

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-74273· Medium

Not known to be exploited · fixed in ecc86a28dc27509da511bb3f8c309750233e3177 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in ecc86a28dc27509da511bb3f8c309750233e3177, d91feb88692e81b00cd22f0125cfcd04970b4a0b, b0b6a9c65cb72c901fdcc6ae83d7afd70cdca1b8 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ a32320b71f085f8d82afedcf285f1682c8c00aed, < ecc86a28dc27509da511bb3f8c309750233e3177
Fixed in
  • ecc86a28dc27509da511bb3f8c309750233e3177
LinuxLinuxAffected
  • ≥ a32320b71f085f8d82afedcf285f1682c8c00aed, < d91feb88692e81b00cd22f0125cfcd04970b4a0b
Fixed in
  • d91feb88692e81b00cd22f0125cfcd04970b4a0b
LinuxLinuxAffected
  • ≥ a32320b71f085f8d82afedcf285f1682c8c00aed, < b0b6a9c65cb72c901fdcc6ae83d7afd70cdca1b8
Fixed in
  • b0b6a9c65cb72c901fdcc6ae83d7afd70cdca1b8
LinuxLinuxAffected
  • ≥ a32320b71f085f8d82afedcf285f1682c8c00aed, < 98c7e206af48b4433b2192cc1a538db2acc49876
Fixed in
  • 98c7e206af48b4433b2192cc1a538db2acc49876
LinuxLinuxAffected
  • ≥ a32320b71f085f8d82afedcf285f1682c8c00aed, < 8efa9fcc1d31b29b31e0ac4efe48624a729796bc
Fixed in
  • 8efa9fcc1d31b29b31e0ac4efe48624a729796bc
LinuxLinuxAffected
  • =6.3
Fixed in–

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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