CVE-2026-42971

Analyzed Analyzed - Analysis Complete

Use of Uninitialized Resource in Windows Push Notifications Allows Local Information Disclosure

Publication date: 2026-06-09

Last updated on: 2026-06-11

Assigner: Microsoft Corporation

Description

Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-09

Last Modified

2026-06-11

Generated

2026-06-30

AI Q&A

2026-06-09

EPSS Evaluated

2026-06-28

NVD

CVE-2026-42971

EUVD

EUVD-2026-35731

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1607	to 10.0.14393.9234 (exc)
microsoft	windows_10_1607	to 10.0.14393.9234 (exc)
microsoft	windows_10_1809	to 10.0.17763.8880 (exc)
microsoft	windows_10_1809	to 10.0.17763.8880 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7219 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7219 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8655 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8655 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8655 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8655 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_server_2016	to 10.0.14393.9234 (exc)
microsoft	windows_server_2019	to 10.0.17763.8880 (exc)
microsoft	windows_server_2022	to 10.0.20348.5256 (exc)
microsoft	windows_server_2025	to 10.0.26100.32995 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Compliance Impact

The vulnerability allows an authorized attacker to disclose information locally due to the use of an uninitialized resource in Windows Push Notifications.

Such information disclosure could potentially impact compliance with data protection standards and regulations like GDPR and HIPAA, which require safeguarding sensitive information from unauthorized access.

However, the provided information does not specify the exact nature or sensitivity of the disclosed information, nor does it detail the compliance implications explicitly.

Executive Summary

This vulnerability involves the use of an uninitialized resource in Windows Push Notifications. It allows an authorized attacker to locally disclose information that should otherwise be protected.

Impact Analysis

The impact of this vulnerability is information disclosure. An authorized attacker could exploit it to gain access to sensitive information on the local system without proper authorization.

Hi! I’m here to help you understand CVE-2026-42971. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70