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CVE-2026-46082VulnerabilityPublished Updated

Microsoft · KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

Affects MicrosoftSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 11:52 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 May 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 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Microsoft Security Response Center MicrosoftAffected
  • =3.0
  • Microsoft
  • Azure Linux
  • 3.0
  • Azure Linux 3.0
  • kernel
Fixed in–

Description

CVE-2026-46082 is a vulnerability related to the KVM SVM virtualization feature where an #UD (Undefined Instruction) exception is injected for the INVLPGA instruction if the EFER. SVME bit is cleared (set to 0). The provided information does not include detailed technical specifics or exploitation data. No CVSS score is available, and there are no known exploits in the wild. The vulnerability affects Microsoft products including Azure Linux 3.0. No patch or remediation details are provided in the available data.

References

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