CVE record · CVE-2026-99099

x86/CPU/AMD: Fix AMD TLBI Erratum #1718

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 26 Oct 2026, 14:52 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
Vendor	Product	Versions
Linux	Linux	affected 82378c6c2f435dba66145609de16bf44a9de6303 to before e3e6779f77ab6f0a1aa80e24868d2d89f31053fe git affected 82378c6c2f435dba66145609de16bf44a9de6303 to before 098d80b04d0fe02889c332d061db968f070b83a6 git affected 82378c6c2f435dba66145609de16bf44a9de6303 to before 87db7795cbaaf636ae22ae031f4906db7bb77803 git Other versions: unaffected
Linux	Linux	affected 6.15 unaffected before 6.15 semver unaffected 6.18.57 to 6.18., inclusive semver unaffected 7.2.11 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-99099
CNA: Linux
Tags: Linux kernel
Published: 26 Oct 2026
Updated: 31 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

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

26 Oct 2026, 14:52 UTC Confirmed by the CVE List

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.