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Windows Defender

CVE-2020-0762 — Windows Defender Security Center Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.00819 2020-03 archive

Executive Summary

An elevation of privilege vulnerability exists when Windows Defender Security Center handles certain objects in memory. To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted command that could exploit the vulnerability to elevate privileges. The update addresses the vulnerability by correcting how Windows Defender Security Center handles certain objects in memory.

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Mar 10 2020
Last Updated Mar 10 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00819 — 0.52371 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.0

EPSS Score

0.00819
probability of exploitation in the next 30 days
0.52371 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

21 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 1803 for 32-bit Systems 4561621 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for ARM64-based Systems 4561621 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for x64-based Systems 4561621 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 4561608 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 4561608 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 4561608 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for 32-bit Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for ARM64-based Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for x64-based Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for 32-bit Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for ARM64-based Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for x64-based Systems 4560960 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for 32-bit Systems 4557957 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for ARM64-based Systems 4557957 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for x64-based Systems 4557957 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 4561608 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 4561608 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1803 (Server Core Installation) 4561621 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1903 (Server Core installation) 4560960 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1909 (Server Core installation) 4560960 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 2004 (Server Core installation) 4557957 (Security Update) Important Elevation of Privilege Yes

Patches

4 patches
Article Type Restart
4561621 Security Update Yes
4561608 Security Update Yes
4560960 Security Update Yes
4557957 Security Update Yes

Known Exploits

Acknowledgments

WenQunWang from Codesafe Team of Legendsec at Qi'anxin Group

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