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CVE-2026-98493VulnerabilityPublished Updated

Microsoft · net: ipconfig: bound DHCP option construction

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98493· High

Not known to be exploited · fixed in e47a1958e12abc3a17b5231a4f21c8f1bf662e08 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e47a1958e12abc3a17b5231a4f21c8f1bf662e08, e0a221cec0e0ee437680ae0314a4b166509442c5, d8016c82acdd7eaa462e1f38a962b15d8c6a650b +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
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < e47a1958e12abc3a17b5231a4f21c8f1bf662e08
Fixed in
  • e47a1958e12abc3a17b5231a4f21c8f1bf662e08
LinuxLinuxAffected
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < e0a221cec0e0ee437680ae0314a4b166509442c5
Fixed in
  • e0a221cec0e0ee437680ae0314a4b166509442c5
LinuxLinuxAffected
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < d8016c82acdd7eaa462e1f38a962b15d8c6a650b
Fixed in
  • d8016c82acdd7eaa462e1f38a962b15d8c6a650b
LinuxLinuxAffected
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < cbaad2922bd5d4d303055ae9afecc8999e6b40c9
Fixed in
  • cbaad2922bd5d4d303055ae9afecc8999e6b40c9
LinuxLinuxAffected
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < ca811550b9fa87e02845b4a332d194c2304d933f
Fixed in
  • ca811550b9fa87e02845b4a332d194c2304d933f
LinuxLinuxAffected
  • ≥ 130c0f47fdf9c533deb1136cad5136f6cb7020f0, < abcba6f080c63e403037ecdffde43170d242376a
Fixed in
  • abcba6f080c63e403037ecdffde43170d242376a

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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