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CVE-2026-98850VulnerabilityPublished Updated

Microsoft · net/packet: prevent TX_RING byte count overflow

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98850· High

Not known to be exploited · fixed in be12b221c0301111eeb023be04add3c6ad7c21fe : 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 be12b221c0301111eeb023be04add3c6ad7c21fe, ae169d318d5d23bac76ece90a7e2b5cb760ed043, 4848c175b5984e6358bcca794ac1dee4d527efcc +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
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < be12b221c0301111eeb023be04add3c6ad7c21fe
Fixed in
  • be12b221c0301111eeb023be04add3c6ad7c21fe
LinuxLinuxAffected
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < ae169d318d5d23bac76ece90a7e2b5cb760ed043
Fixed in
  • ae169d318d5d23bac76ece90a7e2b5cb760ed043
LinuxLinuxAffected
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < 4848c175b5984e6358bcca794ac1dee4d527efcc
Fixed in
  • 4848c175b5984e6358bcca794ac1dee4d527efcc
LinuxLinuxAffected
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < 70fefff0801d4c5405e515592d1e7ad1351530cd
Fixed in
  • 70fefff0801d4c5405e515592d1e7ad1351530cd
LinuxLinuxAffected
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < 69ca64bbb528898916f309552053c32a04a36ebc
Fixed in
  • 69ca64bbb528898916f309552053c32a04a36ebc
LinuxLinuxAffected
  • ≥ 69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1, < 9fd63d284e251332f4874ef9023cde472f315f86
Fixed in
  • 9fd63d284e251332f4874ef9023cde472f315f86

Description

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

References

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