CVE-2021-30762

8.8 highKEVEPSS 11%

High (8.8) in Apple iOS. In CISA KEV since 2021-11-03. EPSS 11% chance of exploitation in the next 30 days.

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. 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..

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 11% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2021-11-03, due 2021-11-17
CWE: CWE-416
Published: 2021-09-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:iphone_os

References

https://support.apple.com/en-us/HT212548
https://support.apple.com/en-us/HT212548
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30762

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