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CVE-2026-45842VulnerabilityPublished Updated

Microsoft · slip: reject VJ receive packets on instances with no rstate array

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–

AI-suggested

No specific mitigation steps are provided in the available information.

Description

CVE-2026-45842 is a vulnerability related to the SLIP protocol implementation in Microsoft and Azure Linux 3.0 instances. The issue involves rejecting VJ (Van Jacobson) receive packets on instances that do not have an rstate array. No detailed technical exploitation or impact information is provided. There is no CVSS score assigned to this vulnerability, and no known exploits in the wild have been reported. Patch status is not confirmed as no patch or remediation information is available from the vendor advisory or other sources.

References

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