CVE-2026-85910

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Buffer Over-Read in Windows StateRepository API

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description

Buffer over-read in Windows StateRepository API allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-13

Generated

2026-10-14

AI Q&A

2026-10-14

EPSS Evaluated

N/A

NVD

CVE-2026-85910

EUVD

EUVD-2026-100049

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	11 Version 24H2 10.0.26100.0
Microsoft	Windows	11 Version 25H2 10.0.26200.0
Microsoft	Windows	11 version 26H1 10.0.28000.0
Microsoft	Windows	11 Version 26H2 10.0.26300.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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.

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer over-read issue in the Windows StateRepository API. It allows an authorized attacker to read beyond the intended memory buffer, potentially exposing sensitive information stored locally on the system.

Impact Analysis

An attacker could exploit this to access confidential data stored on your Windows system, such as user credentials or system configurations. Since it requires local access, physical or network-based access to the machine is necessary.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows StateRepository API vulnerability. Monitor Microsoft's security advisories for updates and ensure all affected systems are updated promptly.

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