CVE-2020-1027

ENISA EUVD: EUVD-2020-11922 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 4 articles Published: 2020-04-15

EPSS Score

Source: FIRST.org · 2026-05-23
11.86%
probability
This CVE has a 11.86% probability of being exploited in the next 30 days.
0% Top 93.8th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2 (legacy)

7.2
HIGH
Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
AV:L/AC:L/Au:N/C:C/I:C/A:C

Description

VulnerabilityLookup (CNA)
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0913, CVE-2020-1000, CVE-2020-1003.

Affected Products

Microsoft
Windows
10 Version 1803 for 32-bit Systems 10 Version 1803 for x64-based Systems 10 Version 1803 for ARM64-based Systems 10 Version 1809 for 32-bit Systems 10 Version 1809 for x64-based Systems 10 Version 1809 for ARM64-based Systems
Microsoft
Windows Server
version 1803 (Core Installation) 2019 2019 (Core installation) 2016 2016 (Core installation) 2008 for 32-bit Systems Service Pack 2
Microsoft
Windows 10 Version 1909 for 32-bit Systems
unspecified
Microsoft
Windows 10 Version 1909 for x64-based Systems
unspecified
Microsoft
Windows 10 Version 1909 for ARM64-based Systems
unspecified

Attack Intelligence

Google Project Zero

Discovered
March 23, 2020
Patched
April 14, 2020
Reported by
Google Project Zero & Google's Threat Analysis Group
Root Cause Analysis
https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2020/CVE-2020-1027.html

Signal Intelligence

Confidence
95%
EPSS 11.86%
CVSS v3.1 7.8
Mentions 4
Last Seen Mar 20, 2021

CNA Information

CNA Assigner
microsoft

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateApr 15, 2020