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CVE-2026-98793VulnerabilityPublished Updated

Microsoft · netfilter: bpf: reject invalid NAT manipulation types

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98793· Medium

Not known to be exploited · fixed in f6143ae109df56d51d5536e813deb19eee7a6205 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:18 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in f6143ae109df56d51d5536e813deb19eee7a6205, ea777dc90ab37e64fa4b92f6fcf3b5edcef5e058, ce7b41f0e4b5db0580d0a2059a0c9e672b461b5e +3

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
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < f6143ae109df56d51d5536e813deb19eee7a6205
Fixed in
  • f6143ae109df56d51d5536e813deb19eee7a6205
LinuxLinuxAffected
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < ea777dc90ab37e64fa4b92f6fcf3b5edcef5e058
Fixed in
  • ea777dc90ab37e64fa4b92f6fcf3b5edcef5e058
LinuxLinuxAffected
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < ce7b41f0e4b5db0580d0a2059a0c9e672b461b5e
Fixed in
  • ce7b41f0e4b5db0580d0a2059a0c9e672b461b5e
LinuxLinuxAffected
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < 752492947be3123ea6c689e2f93ae04ecd675d42
Fixed in
  • 752492947be3123ea6c689e2f93ae04ecd675d42
LinuxLinuxAffected
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < 58108f05b0502448f6bb612ee2eccc63bd6449cb
Fixed in
  • 58108f05b0502448f6bb612ee2eccc63bd6449cb
LinuxLinuxAffected
  • ≥ 0fabd2aa199faeb8754aee94658f2c48ccb2c8c3, < 16d464013ec2267b00a83f4bfbb97b3ecc63bfa7
Fixed in
  • 16d464013ec2267b00a83f4bfbb97b3ecc63bfa7

Description

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

References

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