Is It On KEV?

Apple Multiple Products

YES - ON THE CISA KEV LIST
CVE-2021-30952

Apple Multiple Products Integer Overflow or Wraparound Vulnerability

CISA catalog due date2026-03-26
230 days past due
EPSS exploit probability (next 30 days)7.0% · 94percentile
From CVE publication to KEV listing1654 days (2021-08-24 → 2026-03-05)
Remediation window (KEV listing to due date)21 days
Days on the KEV list251 days
Date added to KEV2026-03-05
Known ransomware campaign useUnknown
VendorApple
ProductMultiple Products
Weaknesses (CWE)CWE-190

Apple: 96 entries (5.4% of all KEV entries are from this vendor); 10 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

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

References

Other KEV entries for this vendor: Apple

Apple - Vendors with KEV entries

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