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5.5
MEDIUM CVSS 3.1
CVE-2026-20824
Windows Remote Assistance Security Feature Bypass Vulnerability
Description

Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.

INFO

Published Date :

Jan. 13, 2026, 6:16 p.m.

Last Modified :

Jan. 15, 2026, 1:21 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2026-20824 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_server_2012
2 Microsoft windows_server_2016
3 Microsoft windows_server_2019
4 Microsoft windows_10_1607
5 Microsoft windows_10_1809
6 Microsoft windows_10_21h2
7 Microsoft windows_10_22h2
8 Microsoft windows_server_2022
9 Microsoft windows_11_23h2
10 Microsoft windows_server_2022_23h2
11 Microsoft windows_server_23h2
12 Microsoft windows_server_2012_r2
13 Microsoft windows_11_24h2
14 Microsoft windows_server_2025
15 Microsoft windows_11_25h2
: Total Affected Vendor : 1 | Products : 15
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM f38d906d-7342-40ea-92c1-6c4a2c6478c8
CVSS 3.1 MEDIUM [email protected]
Solution
Update Windows to address protection mechanism failure.
  • Apply the latest Windows security updates.
  • Reboot the system if required.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-20824.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20824 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20824 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20824 weaknesses.

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs Accessing Functionality Not Properly Constrained by ACLs CAPEC-17: Using Malicious Files Using Malicious Files CAPEC-20: Encryption Brute Forcing Encryption Brute Forcing CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-36: Using Unpublished Interfaces or Functionality Using Unpublished Interfaces or Functionality CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data Utilizing REST's Trust in the System Resource to Obtain Sensitive Data CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-74: Manipulating State Manipulating State CAPEC-87: Forceful Browsing Forceful Browsing CAPEC-107: Cross Site Tracing Cross Site Tracing CAPEC-127: Directory Indexing Directory Indexing CAPEC-237: Escaping a Sandbox by Calling Code in Another Language Escaping a Sandbox by Calling Code in Another Language CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content CAPEC-480: Escaping Virtualization Escaping Virtualization CAPEC-668: Key Negotiation of Bluetooth Attack (KNOB) Key Negotiation of Bluetooth Attack (KNOB)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-20824 vulnerability anywhere in the article.

  • CybersecurityNews
Fortinet FortiSIEM Vulnerability CVE-2025-64155 Actively Exploited in Attacks

Fortinet FortiSIEM vulnerability CVE-2025-64155 is under active exploitation, as confirmed by Defused through their honeypot deployments. This critical OS command injection flaw enables unauthenticat ... Read more

Published Date: Jan 15, 2026 (2 weeks, 4 days ago)
  • CybersecurityNews
Azure Identity Token Vulnerability Enables Tenant-Wide Compromise in Windows Admin Center

A high-severity vulnerability in Windows Admin Center’s Azure Single Sign-On implementation has exposed Azure virtual machines and Arc-connected systems to unauthorized access across entire tenants. C ... Read more

Published Date: Jan 15, 2026 (2 weeks, 4 days ago)
  • CybersecurityNews
Windows Remote Assistance Vulnerability Allow Attacker to Bypass Security Features

Critical security updates addressing CVE-2026-20824, a protection mechanism failure in Windows Remote Assistance that permits attackers to circumvent the Mark of the Web (MOTW) defense system. The vul ... Read more

Published Date: Jan 15, 2026 (2 weeks, 4 days ago)
  • CybersecurityNews
New Sicarii RaaS Operation Attacks Exposed RDP Services and Attempts to Exploit Fortinet Devices

In December 2025, a previously unknown ransomware-as-a-service operation named Sicarii emerged across underground platforms, introducing itself as an Israeli or Jewish affiliated group. The operation ... Read more

Published Date: Jan 15, 2026 (2 weeks, 4 days ago)
  • Zero Day Initiative
The January 2026 Security Update Review

I may be in Tokyo preparing for Pwn2Own Automotive, but that doesn’t stop patch Tuesday from coming. Put aside you broken New Year’s resolutions for just a moment as we review the latest security patc ... Read more

Published Date: Jan 13, 2026 (2 weeks, 6 days ago)
  • BleepingComputer
Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws

Today is Microsoft's January 2026 Patch Tuesday with security updates for 114 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities.This Patch Tuesday also addres ... Read more

Published Date: Jan 13, 2026 (2 weeks, 6 days ago)
  • CybersecurityNews
Microsoft Patch Tuesday January 2026 – 114 Vulnerabilities Fixed Including 3 Zero-days

CVE-2026-20822Windows Graphics Component Elevation of Privilege VulnerabilityElevation of PrivilegeCVE-2026-20876Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerabilit ... Read more

Published Date: Jan 13, 2026 (2 weeks, 6 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-20824 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 15, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.8783 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.8783 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.8276 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.8276 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.6809 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.6809 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.6491 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.7623 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26200.7623 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.8783 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.8276 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.4648 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.2092 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.32230
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20824 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Jan. 13, 2026

    Action Type Old Value New Value
    Added Description Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    Added CWE CWE-693
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20824
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact