OnlyFm252
Windows Active Directory

CVE-2020-0761 — Active Directory Remote Code Execution Vulnerability

Important CVSS 8.8 EPSS 0.03608 2020-09 archive

Executive Summary

A remote code execution vulnerability exists when Active Directory integrated DNS (ADIDNS) mishandles objects in memory. An authenticated attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account To exploit the vulnerability, an authenticated attacker could send malicious requests to an Active Directory integrated DNS (ADIDNS) server. The update addresses the vulnerability by correcting how Active Directory integrated DNS (ADIDNS) handles objects in memory.

Overview

8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Sep 8 2020
Last Updated Sep 8 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.03608 — 0.87996 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Network
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: 7.9

EPSS Score

0.03608
probability of exploitation in the next 30 days
0.87996 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

7 affected products
Product KB Article Severity Impact Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 4577064 (Monthly Rollup) 4577070 (Security Only) Important Remote Code Execution 4571730 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577064 4577070 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 4577064 (Monthly Rollup) 4577070 (Security Only) Important Remote Code Execution 4571730 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577064 4577070 Windows Server 2008 for x64-based Systems Service Pack 2 4577064 (Monthly Rollup) 4577070 (Security Only) Important Remote Code Execution 4571730 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577064 4577070 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 4577064 (Monthly Rollup) 4577070 (Security Only) Important Remote Code Execution 4571730 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577064 4577070 Windows Server 2008 R2 for x64-based Systems Service Pack 1 4577051 (Monthly Rollup) 4577053 (Security Only) Important Remote Code Execution 4571729 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577051 4577053 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4577051 (Monthly Rollup) 4577053 (Security Only) Important Remote Code Execution 4571729 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577051 4577053 Windows Server 2012 4577038 (Monthly Rollup) 4577048 (Security Only) Important Remote Code Execution 4571736 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577038 4577048 Windows Server 2012 (Server Core installation) 4577038 (Monthly Rollup) 4577048 (Security Only) Important Remote Code Execution 4571736 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577038 4577048 Windows Server 2012 R2 4577066 (Monthly Rollup) 4577071 (Security Only) Important Remote Code Execution 4571703 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577066 4577071 Windows Server 2012 R2 (Server Core installation) 4577066 (Monthly Rollup) 4577071 (Security Only) Important Remote Code Execution 4571703 Base: 8.8 Temporal: 7.9 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Yes 4577066 4577071 Windows Server 2016 4577015 (Security Update) Important Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 4577015 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 4570333 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 4570333 (Security Update) Important Remote Code Execution Yes
Windows Server, version 1903 (Server Core installation) 4574727 (Security Update) Important Remote Code Execution Yes
Windows Server, version 1909 (Server Core installation) 4574727 (Security Update) Important Remote Code Execution Yes
Windows Server, version 2004 (Server Core installation) 4571756 (Security Update) Important Remote Code Execution Yes

Patches

4 patches
Article Type Restart
4577015 Security Update Yes
4570333 Security Update Yes
4574727 Security Update Yes
4571756 Security Update Yes

Known Exploits

Acknowledgments

@_dirkjan

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