https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2022-41975.htmlhttps://patchthecve.com/cve/CVE-2022-41975.htmlWed, 17 Jun 2026 05:04:10 +0000HIGH 7.8: RealVNC VNC Server before 6.11.0 and VNC Viewer before 6.22.826 on Windows allow local privilege escalation via MSI installer Repair mode.https://patchthecve.com/cve/CVE-2022-27502.htmlhttps://patchthecve.com/cve/CVE-2022-27502.htmlWed, 17 Jun 2026 04:37:08 +0000HIGH 7.8: RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escalation because an installer repair operation executes %TEMP% files as SYSTEM.https://patchthecve.com/cve/CVE-2021-41380.htmlhttps://patchthecve.com/cve/CVE-2021-41380.htmlWed, 17 Jun 2026 04:08:26 +0000MEDIUM 6.5: RealVNC Viewer 6.21.406 allows remote VNC servers to cause a denial of service (application crash) via crafted RFB protocol data. NOTE: It is asserted that this issue requires social engineering a user into connecting to a fake VNC Server. The VNC Viewer application they are using will then hang, un