CVE-2026-99099

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Fix AMD TLBI Erratum #1718 The processor may fail to invalidate a TLB entry while executing an INVLPGB/TLBSYNC instruction pair. Detect the erratum and apply a software workaround when a microcode fix is not present.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6
https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803
https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe

Configurations

No configuration.

History

31 Oct 2026, 13:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8

26 Oct 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 15:16

Updated : 2026-10-31 13:17

NVD link : CVE-2026-99099

Mitre link : CVE-2026-99099

CVE.ORG link : CVE-2026-99099

JSON object : View

Products Affected

No product.

CWE

No CWE.

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