CVE-2020-1027CISA KEV

Microsoft Windows Kernel Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.

Product: Windows
Added to KEV: 23 May 2022
Federal remediation due: 13 Jun 2022
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2020-1027. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

Related advisories and sources

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CVE-2020-1027 · CVE overview and exploitation status

cve-program · CVE-2020-1027

Related changes

Linked by CVE identifier

Microsoft Windows Kernel Privilege Escalation Vulnerability · CISA KEV deadline · 13 Jun 2022
Microsoft Windows Kernel Privilege Escalation Vulnerability · Added to CISA KEV · 23 May 2022