What is CVE-2022-41975?

CVE-2022-41975 is a high-severity vulnerability in Microsoft Windows, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-09-30.

How severe is CVE-2022-41975?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-41975 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Microsoft Windows

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.

Vulnerability class: Privilege Escalation

Published 2022-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.4th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

help.realvnc.com/hc/en-us/articles/360002253138-Release-Notes (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-41975?: CVE-2022-41975 is a high-severity vulnerability in Microsoft Windows, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-09-30.
How severe is CVE-2022-41975?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-41975 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.