Microsoft Defender for Endpoint
CVE-2022-23278 — Microsoft Defender for Endpoint Spoofing Vulnerability
Executive Summary
None
Overview
5.9
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.2
EPSS Score
0.0183
probability of exploitation in the next 30 days
0.76072 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
31 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Defender for Endpoint EDR sensor on Windows Server 2012 R2 | Information (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Defender for Endpoint EDR sensor on Windows Server 2012 R2 (Server Core installation) | Information (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Defender for Endpoint EDR sensor on Windows Server 2016 | Information (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Defender for Endpoint EDR sensor on Windows Server 2016 (Server Core installation) | Information (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Defender for Endpoint for Android | Release Notes (Security Update) |
Important | Spoofing | No |
| Microsoft Defender for Endpoint for iOS | Release Notes (Security Update) |
Important | Spoofing | No |
| Microsoft Defender for Endpoint for Linux | Release Notes (Security Update) |
Important | Spoofing | No |
| Microsoft Defender for Endpoint for Mac | Release Notes (Security Update) |
Important | Spoofing | No |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for 32-bit Systems | 5011503 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for ARM64-based Systems | 5011503 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for x64-based Systems | 5011503 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1909 for 32-bit Systems | 5011485 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1909 for ARM64-based Systems | 5011485 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 1909 for x64-based Systems | 5011485 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 20H2 for 32-bit Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 20H2 for ARM64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 20H2 for x64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H1 for 32-bit Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H1 for ARM64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H1 for x64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for 32-bit Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for ARM64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for x64-based Systems | 5011487 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 11 version 21H2 for ARM64-based Systems | 5011493 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows 11 version 21H2 for x64-based Systems | 5011493 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server 2019 | 5011503 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server 2019 (Server Core installation) | 5011503 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server 2022 | 5011497 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server 2022 (Server Core installation) | 5011497 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server 2022 Datacenter: Azure Edition | 5011580 (Security Hotpatch Update) |
Important | Spoofing | Yes |
| Microsoft Defender for Endpoint for Windows on Windows Server, version 20H2 (Server Core Installation) | 5011487 (Security Update) |
Important | Spoofing | Yes |
Patches
8 patches
| Article | Type | Restart |
|---|---|---|
Information |
Security Update | Maybe |
Release Notes |
Security Update | No |
5011503 |
Security Update | Yes |
5011485 |
Security Update | Yes |
5011487 |
Security Update | Yes |
5011493 |
Security Update | Yes |
5011497 |
Security Update | Yes |
5011580 |
Security Hotpatch Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
On This Page