CVE-2022-41975: RealVNC VNC Server before 6.11.0 and VNC Viewer before 6.22.826 on Windows allow local privilege escalation vi

Q: How do I fix CVE-2022-41975?

vnc server: upgrade to 6.11.0; vnc viewer: upgrade to 6.22.826. Exact commands for each OS are on this page.

Q: Is CVE-2022-41975 being exploited?

CVE-2022-41975 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-41975 affect?

CVE-2022-41975 affects vnc server, vnc viewer. Severity is high (CVSS 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.

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2022-41975 is a high-severity flaw (CVSS 7.8) affecting vnc server, vnc viewer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-269
Published	2022-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: realvnc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-30 18:15 UTCPublished CVE record published
2026-06-17 05:04 UTCUpdated Record last modified

realvnc vnc server UPGRADE

Affected: < 6.11.0

Fixed in: 6.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vnc-server || rpm -q vnc-server || vnc-server --version

2. UPGRADE to 6.11.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vnc-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vnc-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

realvnc vnc viewer UPGRADE

Affected: < 6.22.826

Fixed in: 6.22.826

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vnc-viewer || rpm -q vnc-viewer || vnc-viewer --version

2. UPGRADE to 6.22.826 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vnc-viewer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vnc-viewer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-41975?

vnc server: upgrade to 6.11.0; vnc viewer: upgrade to 6.22.826. Exact commands for each OS are on this page.

Is CVE-2022-41975 being exploited?

CVE-2022-41975 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-41975 affect?

CVE-2022-41975 affects vnc server, vnc viewer. Severity is high (CVSS 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.

How urgent is CVE-2022-41975?

Priority 29/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2022-27502 HIGH 7.8 UPGRADE RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escalation because an installer repa

References

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