VDB-119448 · CVE-2018-1040 · BID 104389

Microsoft Windows up to Server 2016 Code Integrity Module access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical has been found in Microsoft Windows (Operating System). Affected is an unknown function of the component Code Integrity Module. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on availability.

The bug was discovered 06/12/2018. The weakness was presented 06/12/2018 with Fortinet's FortiGuard Labs as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2018-1040 since 12/01/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/27/2023). The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

A denial of service vulnerability exists in the way that the Windows Code Integrity Module performs hashing.

The vulnerability scanner Nessus provides a plugin with the ID 110487 (KB4284835: Windows 10 Version 1803 and Windows Server Version 1803 June 2018 Security Update), 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 91452 (Microsoft Windows Security Update June 2018).

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 vulnerability database at Tenable (110487).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 5.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.3
NVD Vector: 🔍



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Class: Access control
CWE: CWE-284 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 110487
Nessus Name: KB4284835: Windows 10 Version 1803 and Windows Server Version 1803 June 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Context: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Patch
Status: 🔍

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12/01/2017 🔍
06/12/2018 +193 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/12/2018 +0 days 🔍
06/13/2018 +1 days 🔍
06/14/2018 +0 days 🔍
03/27/2023 +1747 days 🔍


Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Fortinet's FortiGuard Labs
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-1040 (🔍)
SecurityTracker: 1041112
SecurityFocus: 104389 - Microsoft Windows Code Integrity Module CVE-2018-1040 Denial of Service Vulnerability

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


Created: 06/13/2018 06:27 PM
Updated: 03/27/2023 06:50 AM
Changes: 06/13/2018 06:27 PM (86), 02/18/2020 07:16 PM (6), 03/27/2023 06:50 AM (5)
Complete: 🔍
Cache ID: 44:BCC:40


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