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CVE-2026-98409VulnerabilityPublished Updated

Microsoft · watchdog: rtd119x: Avoid division by zero

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98409· Medium

Not known to be exploited · fixed in d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72 : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72, b2876193a150301993ab2f88afde07568e4de9c7, b4ede87765a2e58ca4f18f5f8037c4826b9cc93f +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72
Fixed in
  • d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < b2876193a150301993ab2f88afde07568e4de9c7
Fixed in
  • b2876193a150301993ab2f88afde07568e4de9c7
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < b4ede87765a2e58ca4f18f5f8037c4826b9cc93f
Fixed in
  • b4ede87765a2e58ca4f18f5f8037c4826b9cc93f
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < 757c721545b9ffac5c3042a0cd3685ea28af7e81
Fixed in
  • 757c721545b9ffac5c3042a0cd3685ea28af7e81
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < 8a12e049d517d7dee78500633f8f0e47262a67e0
Fixed in
  • 8a12e049d517d7dee78500633f8f0e47262a67e0
LinuxLinuxAffected
  • ≥ 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367, < 5cfea211bd3440b1de0b2d7dc2809c6350a5b722
Fixed in
  • 5cfea211bd3440b1de0b2d7dc2809c6350a5b722

Description

This vulnerability, identified as CVE-2026-98409, involves a division by zero issue in the watchdog component for Microsoft products, specifically versions 3.0 and 4.0. The description provided is minimal and does not detail the exploitation method or impact. No CVSS score or detailed technical information is available.

References

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