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Description

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

PUBLISHED Reserved 2026-04-30 | Published 2026-06-09 | Updated 2026-06-10 | Assigner microsoft




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.17763.0 (custom) before 10.0.17763.8880
affected

10.0.19044.0 (custom) before 10.0.19044.7417
affected

10.0.19045.0 (custom) before 10.0.19045.7417
affected

10.0.22631.0 (custom) before 10.0.22631.7219
affected

10.0.22631.0 (custom) before 10.0.22631.7219
affected

10.0.26100.0 (custom) before 10.0.26100.8655
affected

10.0.26200.0 (custom) before 10.0.26200.8655
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

6.2.9200.0 (custom) before 6.2.9200.26132
affected

6.2.9200.0 (custom) before 6.2.9200.26132
affected

6.3.9600.0 (custom) before 6.3.9600.23228
affected

6.3.9600.0 (custom) before 6.3.9600.23228
affected

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.17763.0 (custom) before 10.0.17763.8880
affected

10.0.17763.0 (custom) before 10.0.17763.8880
affected

10.0.20348.0 (custom) before 10.0.20348.5256
affected

10.0.26100.0 (custom) before 10.0.26100.32995
affected

10.0.26100.0 (custom) before 10.0.26100.32995
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42970 (Windows Push Notification Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-42970)

nvd.nist.gov (CVE-2026-42970)

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