Exploited CVEs / Apple / CVE-2026-20700
CVE-2026-20700
Apple Multiple Buffer Overflow Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted. Federal agencies were required to remediate by 2026-03-05 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: Apple security releases, linked below.
Actively exploited Apple Multiple Products vulnerability, High severity, CVSS 7.8. Added to the CISA KEV catalog 2026-02-12.
Risk summary
Updated July 26, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2026-20700
This buffer overflow spans Apple iOS, macOS, tvOS, watchOS, and visionOS, and exploitation requires an attacker who already has memory write capability, which is the signature of a chained, targeted attack rather than mass scanning. It is rated High Severity at CVSS 7.8 and was confirmed exploited on 2026-02-12. Executives, journalists, and other high-value users on unpatched Apple devices are the realistic targets for this class of exploit chain.
Do this: Push the current Apple OS updates to all managed devices and prioritize the phones and laptops of your most-targeted staff.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2026-20700
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2026-20700
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
CISA required action
Federal (BOD 22-01) remediation due date: 2026-03-05 (past due).
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Official fix for CVE-2026-20700
The authoritative fix and affected-version list are published by the vendor. Find the Multiple Products advisory on Apple security releases.
Common questions about CVE-2026-20700
Is CVE-2026-20700 actively exploited?
Yes. CVE-2026-20700 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2026-02-12, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 1.3%.
What is the CISA deadline and required action for CVE-2026-20700?
CISA set the federal (BOD 22-01) remediation due date at 2026-03-05, which has passed; treat any unremediated system as overdue. The verbatim 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.
What fixes CVE-2026-20700?
The authoritative fix is in the vendor advisory: see Apple security releases for the patched Multiple Products versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.
Can I ask my own AI about CVE-2026-20700?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2026-20700's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).
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The newest Apple entries on the CISA KEV catalog:
All Apple exploited CVEs on one page: Apple vulnerabilities actively exploited.
Authoritative references
Every actively exploited CVE, searchable with due dates and CSV export: the exploited-CVE tracker. The newest additions: exploited this week.
