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CVE-2026-98985VulnerabilityPublished Updated

Microsoft · namespace: check the mounts before reading their parents in pivot_root()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98985· Medium

Not known to be exploited · fixed in e3aba6900483f64e6c9eb328150dd633b7d36c1c : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e3aba6900483f64e6c9eb328150dd633b7d36c1c, a56d4f8f8f4c5d9ac339d5c03a9d90eecd3697fc, 3184a2fda996af8fcd6def36020ec023c6279015 +6

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
  • >=4.0.2 <4.1
Fixed in
  • e3aba6900483f64e6c9eb328150dd633b7d36c1c
  • a56d4f8f8f4c5d9ac339d5c03a9d90eecd3697fc
  • 3184a2fda996af8fcd6def36020ec023c6279015
  • 43fd2e2ec66e6db26b6ea3e9e7a4c1018455e1b0
  • 6b7c001eb5857fa09041f47673666060a2e5fc1c
  • 5b5f8d0895cfa9f781ce107225d578897203444f
  • 4.1
  • 3dad2330c89343ba083cf7868779083fd5fbe0fe
  • 3c2441e21c3df867e4131e0ff784ecdb3a7a55f8
LinuxLinuxAffected
  • =4.1
Fixed in–

Description

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

References

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