CVE record · CVE-2026-98466

KVM: arm64: Transfer the hyp stack pages out of the host stage-2

CVSS 8.2 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 1a919b17ef012ca0572bae759c27e5ea02bfb47f to before e5dd2a91a7ae3a276e6d79806127e923936e241b git
  • affected 1a919b17ef012ca0572bae759c27e5ea02bfb47f to before 22df195bff84300a3f04813d6148765c77ac565a git
  • affected 1a919b17ef012ca0572bae759c27e5ea02bfb47f to before 3a8c562892b96f35bba1e00d5e455a15963bbb92 git
Other versions: unaffected
Linux Linux
  • affected 5.19
  • unaffected before 5.19 semver
  • unaffected 6.18.55 to 6.18.*, inclusive semver
  • unaffected 7.2.9 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98466
CNA
Linux
Published
18 Oct 2026
Updated
24 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.2 High 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.