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CVE-2026-98722VulnerabilityPublished Updated

Microsoft · mtd: block2mtd: Fix divide error when erase_size is zero

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98722· High

Not known to be exploited · fixed in fd73c079abc58e10183a4db4dc9dc5012db17476 : patch Microsoft soon.

Data as of 7 Nov 2026, 13:35 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in fd73c079abc58e10183a4db4dc9dc5012db17476, c8004de07739fa9a39e310e859384f1458d7d076, bff83b723e93acc788bd690dc4bc1f6f4356c35b +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Oct 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
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < fd73c079abc58e10183a4db4dc9dc5012db17476
Fixed in
  • fd73c079abc58e10183a4db4dc9dc5012db17476
LinuxLinuxAffected
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < c8004de07739fa9a39e310e859384f1458d7d076
Fixed in
  • c8004de07739fa9a39e310e859384f1458d7d076
LinuxLinuxAffected
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < bff83b723e93acc788bd690dc4bc1f6f4356c35b
Fixed in
  • bff83b723e93acc788bd690dc4bc1f6f4356c35b
LinuxLinuxAffected
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < b5965c4221165045e19736794ca5f48ae3d67142
Fixed in
  • b5965c4221165045e19736794ca5f48ae3d67142
LinuxLinuxAffected
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < a991c28066e7ba4da7450bb04478849f7ac6a14a
Fixed in
  • a991c28066e7ba4da7450bb04478849f7ac6a14a
LinuxLinuxAffected
  • ≥ ea6d833a3fddcd1d60414d48f34c7f4fbe88608f, < 826170a49ca1315af6b293a02200585b1e2186d9
Fixed in
  • 826170a49ca1315af6b293a02200585b1e2186d9

Description

A vulnerability identified as CVE-2026-98722 affects Microsoft products version 3.0 and 4.0. The issue relates to a divide error occurring when the erase_size parameter is zero in the mtd: block2mtd component. No CVSS score or detailed impact information is provided.

References

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