Microsoft Windows DNS Server use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Server 2016/Server 2019/Server 2022/Server 2022 23H2 and classified as critical. Affected is an unknown function of the component DNS Server. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2024-26233. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows Server 2016/Server 2019/Server 2022/Server 2022 23H2. This vulnerability affects an unknown code of the component DNS Server. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 04/09/2024 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability was named CVE-2024-26233. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/09/2025).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.2
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (Microsoft): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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 🔍
01/09/2025 +274 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2024-26233 (🔍)
GCVE (CVE): GCVE-0-2024-26233
GCVE (VulDB): GCVE-100-259984

Entryinfo

Created: 04/09/2024 19:45
Updated: 01/09/2025 05:00
Changes: 04/09/2024 19:45 (35), 04/09/2024 19:49 (34), 05/14/2024 21:52 (1), 05/14/2024 22:03 (10), 01/09/2025 05:00 (12)
Complete: 🔍
Cache ID: 216::103

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