Microsoft Windows up to Server 2025 Kernel Streaming WOW Thunk Service Driver heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows and classified as critical. Affected by this issue is some unknown functionality of the component Kernel Streaming WOW Thunk Service Driver. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2025-24995. The attack needs to be performed locally. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows. It has been rated as critical. Affected by this issue is an unknown code of the component Kernel Streaming WOW Thunk Service Driver. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

The weakness was released 03/11/2025 as confirmed security update guide (Website). The advisory is available at msrc.microsoft.com. This vulnerability is handled as CVE-2025-24995. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/03/2025).

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

03/11/2025 🔍
03/11/2025 +0 days 🔍
03/11/2025 +0 days 🔍
07/03/2025 +114 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-24995 (🔍)
GCVE (CVE): GCVE-0-2025-24995
GCVE (VulDB): GCVE-100-299366
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 03/11/2025 18:56
Updated: 07/03/2025 19:25
Changes: 03/11/2025 18:56 (25), 03/11/2025 18:57 (10), 03/11/2025 19:00 (34), 07/03/2025 19:25 (12)
Complete: 🔍
Cache ID: 216::103

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