CVE-2026-84005

MediumCVSS 5.5/10Last modified Nov 11, 2026

Description

Processor optimization removal or modification of security-critical code in AMD Zen allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9711
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9711
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.3231
MicrosoftWindows 11 Version 26H2>= 10.0.26300.0, < 10.0.26300.9711
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5761
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33650
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33650

References

Timeline

Published
Nov 10, 2026
Last modified
Nov 11, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-840076.5Out-of-bounds read in Remote Desktop Gateway Service allows an authorized attacker to disclose information over a network.CVE-2026-840087.5Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.CVE-2026-840094.7Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authorized attacker to perform tampering locallCVE-2026-84019.8Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, andCVE-2026-840107.5Exposed dangerous method or function in SQL Server allows an authorized attacker to elevate privileges over a network.CVE-2026-840115.5Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.CVE-2026-840128.1Double free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.CVE-2026-840137.8Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.CVE-2026-840147.0Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.CVE-2026-840159.8Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a netCVE-2026-840167.8Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges locally.CVE-2026-840177.5Null pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
CVE-2026-84005: Medium severity, CVSS 5.5 | Vulnix