CVE-2022-22620
Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 February 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). 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
- 16.34% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 11 February 2022 · due 25 February 2022
- Weakness
- CWE-416
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
EPSS 16.3% 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://nvd.nist.gov/vuln/detail/CVE-2022-22620
References
- https://security.gentoo.org/glsa/202208-39Third Party Advisory
- https://support.apple.com/en-us/HT213091Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213092Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213093Release Notes, Vendor Advisory
- https://security.gentoo.org/glsa/202208-39Third Party Advisory
- https://support.apple.com/en-us/HT213091Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213092Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213093Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22620Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.