CVE-2026-69644

Analyzed Analyzed - Analysis Complete

Exposure of Sensitive Information in Windows iSCSI

Publication date: 2026-10-13

Last updated on: 2026-10-28

Assigner: Microsoft Corporation

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows iSCSI allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-28

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-69644

EUVD

EUVD-2026-99273

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_server_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-497	The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

Attack-Flow Graph

Executive Summary

This vulnerability involves the exposure of sensitive system information in Windows iSCSI to an unauthorized control sphere. An authorized attacker with local access can exploit this to disclose confidential data.

Detection Guidance

This vulnerability involves information disclosure in Windows iSCSI. Detection requires checking for unauthorized access to sensitive system information via iSCSI components. Review Windows Event Logs for iSCSI-related events, particularly under 'System' and 'Security' logs. Use PowerShell commands like 'Get-WinEvent -LogName System | Where-Object {$_.Message -like "*iSCSI*"}' to filter relevant events.

Impact Analysis

An attacker with local access could gain access to sensitive system information, potentially leading to further attacks or data breaches. This could compromise confidentiality of system details.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations that mandate protection of confidential information.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows iSCSI component. Monitor Microsoft's update guide for specific patches related to CVE-2026-69644.

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