CVE-2021-30952

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://support.apple.com/en-us/HT212975 ; https://support.apple.com/en-us/HT212976 ; https://support.apple.com/en-us/HT212978 ; https://support.apple.com/en-us/HT212980 ; https://support.apple.com/en-us/HT212982 ; https://nvd.nist.gov/vuln/detail/CVE-2021-30952

Remediation deadline: March 26, 2026

Description

Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution.

Timeline

Published:March 5th, 2026 12:00 AM

Last modified:March 5th, 2026 12:00 AM

Added to KEV:March 5th, 2026

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Apple

Products

Multiple Products

Weaknesses (CWE)

CWE-190

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute