CVE-2026-20700: Apple Multiple Products (High, CVSS 7.8)
- CVSS
- 7.8 High (v3.1)
- EPSS
- 1.7% chance of exploitation in the next 30 days (higher than 77% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Feb 12, 2026
- Public exploit
- Yes, reported in 2 GitHub repositories
- Weakness
- CWE-119
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Published
- Feb 11, 2026
- CISA fix-by date
- Mar 5, 2026 (for US federal agencies)
What it is
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.
Description from the National Vulnerability Database.
What to do
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.
Check whether you run Apple Multiple Products, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- www.cisa.gov
ThreatRoundup coverage
APT29 Poisoned an Analytics Script to Hack Phones Across Ukraine
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.