No exploitation reportedFix available

CVE-2022-22634

Q: Is CVE-2022-22634 actively exploited?

Active exploitation of CVE-2022-22634 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-22634?

CVE-2022-22634 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-03-18
Fixed in15.4
WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4. A malicious application may be able to execute arbitrary code with kernel privileges.

Timeline

dates in UTC

2022-03-1818:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22634?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22634?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apple ipados

Branch	Affected	Fixed in	Source
15.4	< 15.4	15.4	NVD

Apple iphone os

Branch	Affected	Fixed in	Source
15.4	< 15.4	15.4	NVD

Apple tvos

Branch	Affected	Fixed in	Source
15.4	< 15.4	15.4	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apple ipados to 15.4

Advisories and patches

support.apple.comVendor Advisory
support.apple.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-120read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2022-03-18
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-22634?

Is CVE-2022-22634 actively exploited?

Active exploitation of CVE-2022-22634 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22634?

CVE-2022-22634 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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