SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-32893

Apple iOS and macOS Out-of-Bounds Write Vulnerability

KEVHIGH 8.8EPSS 9.93%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
9.93% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 18 August 2022 · due 8 September 2022
Weakness
CWE-787
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos · fedoraproject/fedora · debian/debian linux · webkitgtk/webkitgtk · wpewebkit/wpe webkit
Source
product-security@apple.com
EPSS trend
0%5%10%30 October 2026: 9.93%30 October 202630 October 2026

EPSS 9.9% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://support.apple.com/en-gb/HT213412, https://support.apple.com/en-gb/HT213413; https://nvd.nist.gov/vuln/detail/CVE-2022-32893

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.