Microsoft Windows up to Server 2019 Kernel access control

CVSS Meta Temp Score
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CTI Interest Score
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7.7$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft Windows. Affected by this vulnerability is an unknown functionality of the component Kernel. Such manipulation leads to access control. This vulnerability is referenced as CVE-2018-8611. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System). Affected by this issue is an unknown function of the component Kernel. 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 12/11/2018. The weakness was published 12/11/2018 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2018-8611 since 03/14/2018. The attack may be launched remotely. The successful exploitation requires a simple authentication. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/07/2025). The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 119591 (KB4471332: Windows 10 Version 1809 and Windows Server 2019 December 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 91488 (Microsoft Windows Security Update December 2018). This issue was added on 05/24/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/14/2022:

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 Zero-Day.cz (525), Tenable (119591) and SecurityFocus (BID 106082†). Similar entries are available at VDB-127795, VDB-127796, VDB-127797 and VDB-127798. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 119591
Nessus Name: KB4471332: Windows 10 Version 1809 and Windows Server 2019 December 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

03/14/2018 🔍
12/11/2018 +272 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/12/2018 +1 days 🔍
02/07/2025 +2249 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8611 (🔍)
GCVE (CVE): GCVE-0-2018-8611
GCVE (VulDB): GCVE-100-127820

OVAL: 🔍

SecurityFocus: 106082 - Microsoft Windows Kernel CVE-2018-8611 Local Privilege Escalation Vulnerability

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

Entryinfo

Created: 12/12/2018 08:02
Updated: 02/07/2025 18:58
Changes: 12/12/2018 08:02 (87), 04/19/2020 17:50 (5), 06/18/2023 08:57 (4), 04/26/2024 12:55 (25), 07/04/2024 14:36 (2), 09/09/2024 22:30 (2), 02/07/2025 18:58 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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