CVE Watch—

CVE-2026-20700

Apple Multiple Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

1.3%

p68

KEV

YES

Feb 12, 2026

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

1.3%EPSS · 30 days1.3%

2026-06-302026-07-17

KEV catalog record

Product

Apple / Multiple Products

Vulnerability

Apple Multiple Buffer Overflow Vulnerability

Added to KEV

Feb 12, 2026

Remediate by

Mar 5, 2026

Known ransomware use

Summary description

Apple iOS, macOS, tvOS, watchOS, and visionOS contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow an attacker with memory write the capability to execute arbitrary code.

Required action

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/126346 ; https://support.apple.com/en-us/126348 ; https://support.apple.com/en-us/126351 ; https://support.apple.com/en-us/126352 ; https://support.apple.com/en-us/126353 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20700

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2021-30860—

99.5%

KEV—80Apple Multiple Products Integer Overflow Vulnerability—CVE-2023-32434—

98.8%

KEV—80Apple Multiple Products Integer Overflow Vulnerability—CVE-2023-41993—

98.0%

KEV—79Apple Multiple Products WebKit Code Execution Vulnerability—CVE-2021-30807—

97.9%

KEV—79Apple Multiple Products Memory Corruption Vulnerability—CVE-2023-28205—

97.8%

KEV—79Apple Multiple Products WebKit Use-After-Free Vulnerability—CVE-2023-32439—

97.6%

KEV—79Apple Multiple Products WebKit Type Confusion Vulnerability—