CVE-2021-26868

7.8

HIGH

Windows Graphics Component Privilege Escalation

Description

Windows Graphics Component Elevation of Privilege Vulnerability

INFO

Published Date :

March 11, 2021, 4:15 p.m.

Last Modified :

Dec. 29, 2023, 8:15 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8 Public PoC/Exploit Available at Github

CVE-2021-26868 has a 13 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-26868 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
1	Microsoft	windows_10
2	Microsoft	windows_8.1
3	Microsoft	windows_rt_8.1
4	Microsoft	windows_server_2012
5	Microsoft	windows_server_2016
6	Microsoft	windows_server_2019
7	Microsoft	windows_10_1607
8	Microsoft	windows_10_1809
9	Microsoft	windows_10_20h2
10	Microsoft	windows_10_1507
11	Microsoft	windows_10_1803
12	Microsoft	windows_10_1909
13	Microsoft	windows_server_20h2
14	Microsoft	windows_server_1909
15	Microsoft	windows_server_2004
16	Microsoft	windows_server_2012_r2

: Total Affected Vendor : 1 | Products : 16

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-2021-26868.

URL	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26868	Patch Vendor Advisory

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).

Cruxer8Mech/Idk

None

Updated: 5 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : May 26, 2024, 1:37 p.m. This repo has been linked 233 different CVEs too.

NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 2 months, 3 weeks ago

5 stars 2 fork 2 watcher

Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.

zecool/cve

None

Updated: 8 months ago

1 stars 0 fork 0 watcher

Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.

hktalent/bug-bounty

bounty collection

Shell Python Dockerfile Ruby JavaScript ASP.NET Classic ASP HTML PHP Jupyter Notebook

Updated: 2 months, 2 weeks ago

26 stars 4 fork 4 watcher

Born at : Sept. 11, 2023, 11:19 a.m. This repo has been linked 234 different CVEs too.

whoforget/CVE-POC

None

Updated: 1 year, 7 months ago

0 stars 2 fork 2 watcher

Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.

k0mi-tg/CVE-POC

None

Updated: 9 months ago

20 stars 3 fork 3 watcher

Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.

WhooAmii/POC_to_review

None

Updated: 9 months ago

2 stars 2 fork 2 watcher

Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.

reph0r/poc-exp

Collect relevant poc, exp, tools and other private activities according to the public data to improve the work efficiency.

Python C++ PHP Rich Text Format C Ruby Perl CMake Assembly Shell

Updated: 1 year, 9 months ago

10 stars 0 fork 0 watcher

Born at : July 8, 2022, 1:41 p.m. This repo has been linked 28 different CVEs too.

soosmile/POC

None

Updated: 4 months, 2 weeks ago

8 stars 1 fork 1 watcher

Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

freeide2017/CVE-2021-33739-POC

None

C++ C

Updated: 2 months, 3 weeks ago

8 stars 52 fork 52 watcher

Born at : June 9, 2021, 11:40 a.m. This repo has been linked 2 different CVEs too.

bhassani/Recent-CVE

None

Updated: 2 years, 5 months ago

4 stars 0 fork 0 watcher

Born at : June 1, 2021, 5:04 p.m. This repo has been linked 21 different CVEs too.

KangD1W2/CVE-2021-26868

None

C++ C

Updated: 10 months ago

10 stars 10 fork 10 watcher

Born at : April 27, 2021, 3:55 a.m. This repo has been linked 1 different CVEs too.

ycdxsb/WindowsPrivilegeEscalation

Collection of Windows Privilege Escalation (Analyse/PoC/Exp...)

Updated: 2 months, 1 week ago

296 stars 59 fork 59 watcher

Born at : April 22, 2021, 3:29 a.m. This repo has been linked 233 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-2021-26868 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-26868 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 [email protected]

May. 14, 2024

Action	Type	Old Value	New Value

CVE Modified by [email protected]

Dec. 29, 2023

Action	Type	Old Value	New Value
Added	CVSS V3.1		Microsoft Corporation AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE Remap by [email protected]

May. 03, 2022

Action	Type	Old Value	New Value
Changed	CWE	CWE-269	CWE-119

Initial Analysis by [email protected]

Mar. 17, 2021

Action	Type	Old Value	New Value
Added	CVSS V2		NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added	CVSS V3.1		NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed	Reference Type	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26868 No Types Assigned	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26868 Patch, Vendor Advisory
Added	CWE		NIST CWE-269
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_10:1607::::::: cpe:2.3:o:microsoft:windows_10:1803::::::: cpe:2.3:o:microsoft:windows_10:1809::::::: cpe:2.3:o:microsoft:windows_10:1909::::::: cpe:2.3:o:microsoft:windows_10:2004::::::: cpe:2.3:o:microsoft:windows_8.1:-::::::: cpe:2.3:o:microsoft:windows_rt_8.1:-::::::: cpe:2.3:o:microsoft:windows_server_2012:-::::::: cpe:2.3:o:microsoft:windows_server_2012:r2::::::: cpe:2.3:o:microsoft:windows_server_2016:-::::::: cpe:2.3:o:microsoft:windows_server_2016:20h2::::::: cpe:2.3:o:microsoft:windows_server_2016:1909::::::: cpe:2.3:o:microsoft:windows_server_2016:2004::::::: cpe:2.3:o:microsoft:windows_server_2019:-:::::::

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.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-26868 is associated with the following CWEs:

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

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-2021-26868 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

CVE-2021-26868

Windows Graphics Component Privilege Escalation

Description

INFO

March 11, 2021, 4:15 p.m.

Dec. 29, 2023, 8:15 p.m.

No

5.9

1.8

Public PoC/Exploit Available at Github

Affected Products

References to Advisories, Solutions, and Tools

CVE Modified by [email protected]

CVE Modified by [email protected]

CWE Remap by [email protected]

Initial Analysis by [email protected]

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

0.04 }} -0.04%

0.07431

CVSS31 - Vulnerability Scoring System

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