Microsoft Windows up to Server 2022 Cloud Files Mini Filter Driver buffer over-read

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, which was classified as critical, was found in Microsoft Windows up to Server 2022. Impacted is an unknown function of the component Cloud Files Mini Filter Driver. Executing a manipulation can lead to an unknown weakness. This vulnerability is registered as CVE-2023-36904. The attack needs to be launched locally. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows up to Server 2022 (Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component Cloud Files Mini Filter Driver. The CWE definition for the vulnerability is CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

The weakness was published 08/08/2023 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2023-36904. 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 08/14/2026).

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: 7.8
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: Buffer over-read
CWE: CWE-126 / 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

06/27/2023 🔍
08/08/2023 +42 days 🔍
08/08/2023 +0 days 🔍
08/08/2023 +0 days 🔍
08/14/2026 +1101 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed

CVE: CVE-2023-36904 (🔍)
GCVE (CVE): GCVE-0-2023-36904
GCVE (VulDB): GCVE-100-236560
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 08/08/2023 20:58
Updated: 08/14/2026 04:08
Changes: 08/08/2023 20:58 (34), 08/08/2023 21:01 (20), 09/02/2023 08:40 (11), 08/14/2026 04:08 (16)
Complete: 🔍
Cache ID: 216::103

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