Microsoft Windows 11 26H1 Kernel-Mode Drivers uninitialized resource

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.
4.3$0-$5k0.00-

Summaryinfo

A vulnerability was found in Microsoft Windows 11 26H1. It has been declared as problematic. Affected is an unknown function of the component Kernel-Mode Drivers. Executing a manipulation can lead to uninitialized resource. This vulnerability is tracked as CVE-2026-96849. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows 11 26H1. This vulnerability affects some unknown processing of the component Kernel-Mode Drivers. The manipulation with an unknown input leads to a uninitialized resource vulnerability. The CWE definition for the vulnerability is CWE-908. The product uses or accesses a resource that has not been initialized. As an impact it is known to affect confidentiality. CVE summarizes:

Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

The advisory is shared for download at msrc.microsoft.com. This vulnerability was named CVE-2026-96849 since 09/23/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/14/2026).

Upgrading to version 10.0.28000.3231 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (microsoft): 🔒

CVSSv2info

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

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Windows 10.0.28000.3231

Timelineinfo

09/23/2026 CVE reserved
10/14/2026 +21 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-96849 (🔒)
GCVE (CVE): GCVE-0-2026-96849
GCVE (VulDB): GCVE-100-419572

Entryinfo

Created: 10/14/2026 10:56
Changes: 10/14/2026 10:56 (64)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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