CVE & CISA-KEV Catalog

CVE-2022-21127

MEDIUMEPSS 92th pctl
5.5
CVSS v3
NVD

Description

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CWE-459

How to fix

Remediation Available
intel-microcodeDebian
Fixed in:3.20220510.1~deb11u1CVE-2022-21127
Fixed in:3.20220510.1CVE-2022-21127
Fixed in:3.20220510.1CVE-2022-21127
Fixed in:3.20220510.1CVE-2022-21127
Windows 10Windows
Install:KB5014710Microsoft
Windows 10 Version 1607Windows
Install:KB5014702Microsoft
Windows 10 Version 1809Windows
Install:KB5014692Microsoft
Windows 10 Version 20H2Windows
Install:KB5014699Microsoft
Windows 10 Version 21H1Windows
Install:KB5014699Microsoft
Windows 10 Version 21H2Windows
Install:KB5014699Microsoft
Windows 11 version 21H2Windows
Install:KB5014697Microsoft
Windows 7Windows
Install:KB5014742Microsoft
Install:KB5014748Microsoft
Windows 8.1Windows
Install:KB5014738Microsoft
Install:KB5014746Microsoft
Windows RT 8.1Windows
Install:KB5014738Microsoft
Windows Server 2008Windows
Install:KB5014752Microsoft
Install:KB5014743Microsoft
Windows Server 2008 R2Windows
Install:KB5014748Microsoft
Install:KB5014742Microsoft
Windows Server 2012Windows
Install:KB5014747Microsoft
Install:KB5014741Microsoft
Windows Server 2012 (Server Core installation)Windows
Install:KB5014747Microsoft
Install:KB5014741Microsoft
Windows Server 2012 R2Windows
Install:KB5014746Microsoft
Install:KB5014738Microsoft
Windows Server 2012 R2 (Server Core installation)Windows
Install:KB5014746Microsoft
Install:KB5014738Microsoft
Windows Server 2016Windows
Install:KB5014702Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5014702Microsoft
Windows Server 2019Windows
Install:KB5014692Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5014692Microsoft
Windows Server 2022Windows
Install:KB5014677
Install:KB5014678Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5014677
Install:KB5014678Microsoft
Windows Server, version 20H2 (Server Core Installation)Windows
Install:KB5014699Microsoft
intel-microcodeUbuntu
Fixed in:3.20220510.0ubuntu0.16.04.1+esm1USN-5535-1
Fixed in:3.20220510.0ubuntu0.18.04.1USN-5486-1
Fixed in:3.20220510.0ubuntu0.20.04.1USN-5486-1
Fixed in:3.20220510.0ubuntu0.22.04.1USN-5486-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

5.46%probability of exploitation in 30 days
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Third-Party Advisory2
Embed a live status badge for CVE-2022-21127
CVE-2022-21127 severity badge

Markdown

[![CVE-2022-21127](https://tridentstack.com/cve/badge/CVE-2022-21127.svg)](https://tridentstack.com/cve/CVE-2022-21127)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-21127"><img src="https://tridentstack.com/cve/badge/CVE-2022-21127.svg" alt="CVE-2022-21127"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.