5.5
Medium
CVE-2026-42971 Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker…
Description
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.9234 | 10.0.14393.9234 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.8880 | 10.0.17763.8880 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.7417 | 10.0.19044.7417 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.7417 | 10.0.19045.7417 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.7219 | 10.0.22631.7219 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.8655 | 10.0.26100.8655 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.8655 | 10.0.26200.8655 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.2269 | 10.0.28000.2269 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9234 | 10.0.14393.9234 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9234 | 10.0.14393.9234 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8880 | 10.0.17763.8880 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8880 | 10.0.17763.8880 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5256 | 10.0.20348.5256 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.32995 | 10.0.26100.32995 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.32995 | 10.0.26100.32995 |
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