realvnc 関連製品全体の CVE とセキュリティ脆弱性情報を集約し、CVSS、EPSS、公開日、脆弱性情報データを掲載しています。
一般的な弱点パターンには vendor risk input validation and vendor risk denial of service があり、vendor surface software deployment and vendor surface production workloads の利用場面で vendor impact unexpected behavior などのリスクが生じる可能性があります。
掲載データは公開脆弱性情報とセキュリティ公告に基づき、過去の暴露面と修補優先度の評価に利用できます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2022-41975 | 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. | [email protected] | 7.8 | 0.11% | 2022-09-30 | 2025-05-20 |
| CVE-2022-27502 | 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. | [email protected] | 7.8 | 0.37% | 2022-06-10 | 2024-11-21 |
| CVE-2021-41380 | 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, until terminated, but no memory leak occurs - the resources are freed once the hung process is terminated and the resource usage is constant during the hang. Only the process that is connected to the fa | [email protected] | 6.5 | 0.29% | 2021-09-17 | 2024-11-21 |
| CVE-2013-6886 | RealVNC VNC 5.0.6 on Mac OS X, Linux, and UNIX allows local users to gain privileges via a crafted argument to the (1) vncserver, (2) vncserver-x11, or (3) Xvnc helper. | [email protected] | 7.2 | 0.04% | 2013-12-28 | 2026-04-29 |
| CVE-2008-4770 | The CMsgReader::readRect function in the VNC Viewer component in RealVNC VNC Free Edition 4.0 through 4.1.2, Enterprise Edition E4.0 through E4.4.2, and Personal Edition P4.0 through P4.4.2 allows remote VNC servers to execute arbitrary code via crafted RFB protocol data, related to "encoding type." | [email protected] | 10.0 | 5.82% | 2009-01-16 | 2026-04-23 |
| CVE-2008-3493 | vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet. | [email protected] | 5.0 | 2.54% | 2008-08-06 | 2026-04-23 |