Description
Missing authentication for critical function in Remote Desktop Client allows an unauthorized attacker to perform tampering over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – < 10.0.17763.9487 | 10.0.17763.9487 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – < 10.0.19044.7846 | 10.0.19044.7846 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – < 10.0.19045.7846 | 10.0.19045.7846 |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 – < 10.0.22631.7711 | 10.0.22631.7711 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.9974 | 10.0.26100.9974 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.9974 | 10.0.26200.9974 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 – < 10.0.28000.3501 | 10.0.28000.3501 |
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0 – < 10.0.26300.9974 | 10.0.26300.9974 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.9487 | 10.0.17763.9487 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.9487 | 10.0.17763.9487 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5870 | 10.0.20348.5870 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33822 | 10.0.26100.33822 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33822 | 10.0.26100.33822 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-joserfc | 1.7.7-2.1 | openSUSE-SU-2026:12533-1 |
Advisories 3
- openSUSE-SU-2026:12533-1 python313-joserfc-1.7.7-2.1 on GA media SUSE / openSUSE Security Updates · Nov 12, 2026
- WID-SEC-2026-4478 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- MSRC-CVE-2026-119824 Remote Desktop Client Tampering Vulnerability Microsoft Security Response Center · Nov 10, 2026
References
- Remote Desktop Client Tampering Vulnerability vendor-advisory patch