Microsoft Windows up to Server 2022 23H2 Virtual Machine Bus untrusted pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2022 23H2. It has been rated as critical. Impacted is an unknown function of the component Virtual Machine Bus. Performing a manipulation results in untrusted pointer dereference. This vulnerability is identified as CVE-2024-26254. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows up to Server 2022 23H2. This affects an unknown function of the component Virtual Machine Bus. The manipulation with an unknown input leads to a untrusted pointer dereference vulnerability. CWE is classifying the issue as CWE-822. The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer. This is going to have an impact on availability. The summary by CVE is:

Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability

The weakness was released 04/09/2024 as confirmed security update guide (Website). The advisory is shared at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2024-26254. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/06/2024).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.5
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.5
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Untrusted pointer dereference
CWE: CWE-822
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

02/15/2024 🔍
04/09/2024 +54 days 🔍
04/09/2024 +0 days 🔍
04/09/2024 +0 days 🔍
12/06/2024 +240 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2024-26254 (🔍)
GCVE (CVE): GCVE-0-2024-26254
GCVE (VulDB): GCVE-100-260001
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 04/09/2024 19:56
Updated: 12/06/2024 00:47
Changes: 04/09/2024 19:56 (35), 04/09/2024 19:59 (3), 04/09/2024 20:00 (31), 05/15/2024 03:23 (1), 05/15/2024 03:30 (10), 12/06/2024 00:47 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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