What is CVE-2022-0806?

CVE-2022-0806 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-04-05.

How severe is CVE-2022-0806?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Apple macOS

CVE-2022-0806

Data leak in Canvas in Google Chrome prior to 99.0.4844.51 allowed a remote attacker who convinced a user to engage in screen sharing to potentially leak cross-origin data via a crafted HTML page.

Vulnerability class: Buffer Overflow

Published 2022-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
crbug.com/1283434 (Permissions Required, Issue Tracking, Vendor Advisory)
security.gentoo.org/glsa/202208-25 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0806?: CVE-2022-0806 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-04-05.
How severe is CVE-2022-0806?: Medium severity. CVSS v3 base score is 6.5 out of 10.