What is CVE-2022-26739?

CVE-2022-26739 is a high-severity vulnerability in Apple Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-26.

How severe is CVE-2022-26739?

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

Buffer overflow in Apple Ipados

CVE-2022-26739

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Buffer Overflow

Published 2022-05-26 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.010 (62.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% 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-787 — Out-of-bounds Write

References

support.apple.com/en-us/HT213258 (Vendor Advisory)
support.apple.com/en-us/HT213254 (Vendor Advisory)
support.apple.com/en-us/HT213257 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-26739?: CVE-2022-26739 is a high-severity vulnerability in Apple Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-26.
How severe is CVE-2022-26739?: High severity. CVSS v3 base score is 7.8 out of 10.