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CVE-2026-86881

Quick assessment

Affected
Apple iOS and iPadOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

针对证书校验问题，苹果通过改进证书校验机制进行了修复。该问题已在以下系统中修复：iOS 26.7 和 iPadOS 26.7、iOS 27 和 iPadOS 27、macOS Golden Gate 27、macOS Sequoia 15.8、macOS Tahoe 26.7、tvOS 27、visionOS 27 以及 watchOS 27。 如果某个中间证书颁发机构（Intermediate CA）遭到攻破，攻击者可能能够签发具有任意扩展密钥用途（Extended Key Usages）的证书。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 8

VendorProduct Version RangeStatus
Apple iOS and iPadOS < 26.7 affected
< 27 affected
Apple macOS < 15.8 affected
< 26.7 affected
< 27 affected
Apple tvOS < 27 affected
Apple visionOS < 27 affected
Apple watchOS < 27 affected
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I. Basic Information for CVE-2026-86881

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple iOS and iPadOS 0 ~ 26.7 -
Apple macOS 0 ~ 15.8 -
Apple tvOS 0 ~ 27 -
Apple visionOS 0 ~ 27 -
Apple watchOS 0 ~ 27 -

II. Public POCs for CVE-2026-86881

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-86881

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Same Patch Batch · Apple · 2026-09-14 · 245 CVEs total

CVE-2026-84527 苹果iOS 27等系统日志信息泄露漏洞
CVE-2026-84635 Apple 多系统 27 版本恶意网页致进程意外终止
CVE-2026-28933 Apple macOS 资源管理错误漏洞
CVE-2026-28899 Apple macOS 安全漏洞
CVE-2026-65362 Apple macOS 权限许可和访问控制问题漏洞
CVE-2026-65374 Apple macOS 缓冲区错误漏洞
CVE-2026-84623 Apple iOS 安全漏洞
CVE-2026-84622 Apple多系统内核内存未初始化，可被提权
CVE-2026-28836 Apple macOS 安全漏洞
CVE-2026-65375 Apple macOS 安全漏洞
CVE-2026-84589 Apple macOS 安全漏洞
CVE-2026-84566 iOS/macOS 26.7/27 内存处理缺陷致内核崩溃
CVE-2026-43787 macOS多版本逻辑缺陷致信息泄露
CVE-2026-84531 iOS/macOS 27：NTLM输入越界写漏洞
CVE-2026-84618 Apple macOS 安全漏洞
CVE-2026-43695 苹果多系统授权状态管理缺陷
CVE-2026-84550 Apple macOS 安全漏洞
CVE-2026-65380 Apple macOS 安全漏洞
CVE-2026-64712 Apple macOS 权限许可和访问控制问题漏洞
CVE-2026-86886 iOS/iPadOS 26.7 路径遍历漏洞

Showing top 20 of 245 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: iOS and iPadOS
Same vendor: Apple

V. Comments for CVE-2026-86881

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