CVE-2026-50339: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

PriorityP423medium5.5CVSS 3.1

AVLACLPRLUINSUCHINAN

Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_10_version_1809	>= 10.0.17763.0 < 10.0.17763.9020	10.0.17763.9020
microsoft	windows_10_version_21h2	>= 10.0.19044.0 < 10.0.19044.7548	10.0.19044.7548
microsoft	windows_10_version_22h2	>= 10.0.19045.0 < 10.0.19045.7548	10.0.19045.7548
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.8875	10.0.26100.8875
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.8875	10.0.26200.8875
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.2269	10.0.28000.2269
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.9020	10.0.17763.9020
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.5386	10.0.20348.5386
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.33158	10.0.26100.33158

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.