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4.7
MEDIUM CVSS 3.1
CVE-2023-21766
Windows Overlay Filter Information Exfiltration
Description

Windows Overlay Filter Information Disclosure Vulnerability

INFO

Published Date :

Jan. 10, 2023, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 7:43 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2023-21766 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_10
2 Microsoft windows_server_2016
3 Microsoft windows_server_2019
4 Microsoft windows_10_1607
5 Microsoft windows_10_1809
6 Microsoft windows_10_20h2
7 Microsoft windows_10_21h2
8 Microsoft windows_10_22h2
9 Microsoft windows_server_2022
10 Microsoft windows_11_21h2
11 Microsoft windows_11_22h2
12 Microsoft windows_11
13 Microsoft windows_10_1507
14 Microsoft windows
: Total Affected Vendor : 1 | Products : 14
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 [email protected]
Solution
This vulnerability allows for information disclosure; patching the system is recommended.
  • Apply the appropriate security update for your version of Windows.
  • Reboot the system if required by the update.
Public PoC/Exploit Available at Github

CVE-2023-21766 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2023-21766.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21766
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21766
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-21766 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-2023-21766 weaknesses.

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).

Profile Photo
Y3A/cve-2023-21766

wof.sys race condition uaf read poc

C

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : June 30, 2023, 3:44 a.m. This repo has been linked 1 different CVEs too.
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ycdxsb/WindowsPrivilegeEscalation

Collection of Windows Privilege Escalation (Analyse/PoC/Exploit)

Updated: 1 month ago
419 stars 79 fork 79 watcher
Born at : April 22, 2021, 3:29 a.m. This repo has been linked 276 different CVEs too.

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

The following list is the news that have been mention CVE-2023-21766 vulnerability anywhere in the article.

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-2023-21766 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21766
  • CVE Modified by [email protected]

    May. 29, 2024

    Action Type Old Value New Value
    Added CWE Microsoft Corporation CWE-591
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 27, 2023

    Action Type Old Value New Value
    Changed Description Windows Overlay Filter Information Disclosure Vulnerability. Windows Overlay Filter Information Disclosure Vulnerability
    Removed Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21766 [Patch, Vendor Advisory]
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21766 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 18, 2023

    Action Type Old Value New Value
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21766 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21766 Patch, Vendor Advisory
    Added CWE NIST CWE-362
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:22h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
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: 4.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.92 }} -0.37%

score

0.87668

percentile