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CVE-2026-98878VulnerabilityPublished Updated

Microsoft · irqchip/gic-v5: Immediately exec priority drop following activate

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98878· High

Not known to be exploited : upgrade to c29bb5acd0cad0b49399d1399dd1bacb39e41438 or abf60331ebe9a9a7937a72aac7699c2907ab9307 soon.

Data as of 28 Oct 2026, 08:58 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in c29bb5acd0cad0b49399d1399dd1bacb39e41438, abf60331ebe9a9a7937a72aac7699c2907ab9307

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade Linux to c29bb5acd0cad0b49399d1399dd1bacb39e41438 or abf60331ebe9a9a7937a72aac7699c2907ab9307.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 7ec80fb3f025825e860b433685fb801d6de34bf3, < c29bb5acd0cad0b49399d1399dd1bacb39e41438
Fixed in
  • c29bb5acd0cad0b49399d1399dd1bacb39e41438
LinuxLinuxAffected
  • ≥ 7ec80fb3f025825e860b433685fb801d6de34bf3, < abf60331ebe9a9a7937a72aac7699c2907ab9307
Fixed in
  • abf60331ebe9a9a7937a72aac7699c2907ab9307
LinuxLinuxAffected
  • =6.17
Fixed in–

Description

CVE-2026-98878 is a published vulnerability related to irqchip/gic-v5 with an immediate execution priority drop following activation. The affected product is Microsoft software versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.

References

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