Microsoft Windows up to Server 2016 DirectX Graphics access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2016. It has been rated as critical. This issue affects some unknown processing of the component DirectX Graphics. The manipulation leads to access control. This vulnerability is referenced as CVE-2018-8405. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Server 2016 (Operating System). It has been rated as critical. This issue affects an unknown function of the component DirectX Graphics. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The bug was discovered 08/14/2018. The weakness was published 08/14/2018 with Zero Day Initiative as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2018-8405 since 03/14/2018. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/07/2025). MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 111685 (KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91465 (Microsoft Windows Security Update August 2018). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/28/2022 with a due date of 04/18/2022:

Apply updates per vendor instructions.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111685) and SecurityFocus (BID 105011†). Similar entries are available at VDB-122825, VDB-122827, VDB-122828 and VDB-122829. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.0
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 111685
Nessus Name: KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/14/2018 🔍
08/14/2018 +152 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/15/2018 +0 days 🔍
02/07/2025 +2368 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8405 (🔍)
GCVE (CVE): GCVE-0-2018-8405
GCVE (VulDB): GCVE-100-122885

OVAL: 🔍

SecurityFocus: 105011 - Microsoft Windows DirectX Graphics Kernel CVE-2018-8405 Local Privilege Escalation Vulnerability
SecurityTracker: 1041461

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 08/14/2018 21:58
Updated: 02/07/2025 18:58
Changes: 08/14/2018 21:58 (87), 03/15/2020 15:53 (6), 05/02/2023 08:40 (5), 04/25/2024 06:55 (25), 09/09/2024 22:30 (2), 02/07/2025 18:58 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!