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CVE-2026-99070VulnerabilityPublished Updated

Microsoft · ipv6: do not warn on route notification size race

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99070

Not known to be exploited · fixed in dac2b0328495971c7b417fd0143e53643343936e : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:18 UTC

Severity
Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in dac2b0328495971c7b417fd0143e53643343936e, c97426ec649d99596d8969e1a052c16b14b7b485, 291fe0bafee78c95f9f2e7f579f17793fd5a1e5a +4

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 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
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < dac2b0328495971c7b417fd0143e53643343936e
Fixed in
  • dac2b0328495971c7b417fd0143e53643343936e
LinuxLinuxAffected
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < c97426ec649d99596d8969e1a052c16b14b7b485
Fixed in
  • c97426ec649d99596d8969e1a052c16b14b7b485
LinuxLinuxAffected
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < 291fe0bafee78c95f9f2e7f579f17793fd5a1e5a
Fixed in
  • 291fe0bafee78c95f9f2e7f579f17793fd5a1e5a
LinuxLinuxAffected
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < 24b2c95a046e15c9504a6d672b6b0b252952493f
Fixed in
  • 24b2c95a046e15c9504a6d672b6b0b252952493f
LinuxLinuxAffected
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < 8a3b935b6b6037eefb36bd27a60793a008358e8d
Fixed in
  • 8a3b935b6b6037eefb36bd27a60793a008358e8d
LinuxLinuxAffected
  • ≥ 907eea486888cfe118c19759bbc4b8fca2e004df, < 7b112bd43f1172fb152e848570a957467008a5ae
Fixed in
  • 7b112bd43f1172fb152e848570a957467008a5ae

Description

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

References

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