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CVE-2026-46130VulnerabilityPublished Updated

Microsoft · dm-verity-fec: fix reading parity bytes split across blocks (take 3)

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-46130· Medium

Not known to be exploited · fixed in dac69d1b76049d7e5f565089a6a7f4502a85b9de : update Microsoft when convenient.

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.
Patch
Available – fixed in dac69d1b76049d7e5f565089a6a7f4502a85b9de, d47281b9a4472cfd73122393e79fbe76b651e46a, 03348b440f69417dc3a3c71d8271cff6b05f67fb +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 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

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=6.6.72 <6.6.160
  • >=6.12.10 <6.12.114
  • >=6.1.125 <6.2
Fixed in
  • dac69d1b76049d7e5f565089a6a7f4502a85b9de
  • d47281b9a4472cfd73122393e79fbe76b651e46a
  • 03348b440f69417dc3a3c71d8271cff6b05f67fb
  • 430a05cb926f6bdf53e81460a2c3a553257f3f61
  • 6.12.114
  • 6.6.160
  • 6.2
  • 3d1b4e2d8ac0a1a1390a117f61ce0ca1c47e3bcb
LinuxLinuxAffected
  • =6.13
Fixed in–

Description

CVE-2026-46130 addresses a vulnerability in Microsoft software version 3.0 related to dm-verity-fec, specifically fixing the issue of reading parity bytes split across blocks. The advisory does not provide detailed technical or impact information, nor does it include a CVSS score or patch details.

References

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