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CVE-2026-99163VulnerabilityPublished

Microsoft · tracing/histograms: Reject non-stacktrace fields for synthetic stacktrace fields

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99163· High

Not known to be exploited · fixed in deb336ae7c7b341591a6862cf6fcfeca97c77dfd : patch Microsoft soon.

Data as of 29 Oct 2026, 11:47 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in deb336ae7c7b341591a6862cf6fcfeca97c77dfd, a244c241593b5b38a08f0df2cb43c26574efbdcb, 6.2 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 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 29 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=5.10.237 <5.11
  • >=5.15.124 <5.16
  • >=6.1.43 <6.2
Fixed in
  • deb336ae7c7b341591a6862cf6fcfeca97c77dfd
  • a244c241593b5b38a08f0df2cb43c26574efbdcb
  • 6.2
  • 5.16
  • 5.11
  • 1f36e4ddd05d540f363dbaa4c23042549f15b3ef
LinuxLinuxAffected
  • =6.3
Fixed in–

Description

CVE-2026-99163 is a vulnerability related to the tracing/histograms component in Microsoft software version 3.0. It involves rejecting non-stacktrace fields for synthetic stacktrace fields. No detailed impact or exploitation information is provided.

References

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