SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-86881

CRITICAL · CVSS 9.1 EPSS 0.14%

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability exists in Apple's certificate validation process, allowing an attacker with control over a compromised intermediate certificate authority to issue certificates with arbitrary extended key usages. This could lead to unauthorized access or man-in-the-middle attacks, impacting the security of affected devices. Organizations using iOS, iPadOS, macOS, tvOS, visionOS, or watchOS should prioritize applying the updates to mitigate potential exploitation.

CVE
CVE-2026-86881
Severity
CRITICAL
CVSS
9.1
EPSS
0.14%

Original NVD Description

A certificate validation issue was addressed with improved certificate validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An attacker with a compromised intermediate certificate authority may be able to issue certificates with arbitrary extended key usages.

Related CVEs

Other vulnerabilities affecting the same vendor(s)