CVE-2026-28865: An authentication issue was addressed with improved state management.
An authentication issue was addressed with improved state management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker in a privileged network position may be able to intercept network traffic.
Security readout for executives and security teams
Plain-English summary
A weakness in Apple operating systems’ authentication state handling may let an attacker controlling a privileged network position intercept traffic. Apple has released fixes across its major platforms. Risk is greatest for devices using networks where an attacker could control or manipulate traffic. The supplied evidence does not establish active exploitation.
Executive priority
Treat this as a high-priority patching issue, particularly for mobile or remote devices regularly connecting through untrusted networks. Expedited remediation is appropriate because exploitation needs no victim interaction, although it does require network positioning. There is no supplied evidence of active exploitation, and exact vulnerable ranges remain incomplete.
Technical view
CVE-2026-28865 is classified as CWE-285 with CVSS 3.1 score 7.5. The vector indicates network access, low complexity, no privileges, no user interaction, and high availability impact. Apple attributes the issue to authentication state management. Detailed protocol, component, and affected-version ranges are not disclosed in the bundle.
Likely exposure
Potential exposure includes iOS, iPadOS, macOS, tvOS, visionOS, and watchOS devices below the stated fixed releases. The supplied affected-version entries contain placeholder values, so precise vulnerable version ranges cannot be determined. Devices frequently using untrusted or attacker-influenced networks deserve priority.
Exploitation context
Exploitation requires a privileged network position, according to Apple’s description. The bundle reports that this could permit network-traffic interception but provides no technical prerequisites or demonstrated attack details. The CVE is not listed as KEV, and no cited source in the bundle reports active exploitation.
Researcher notes
The public description is sparse. It does not identify the affected component, protocol, or authentication-state failure. There is also an unresolved evidence gap: the narrative mentions traffic interception, while the CVSS vector records no confidentiality or integrity impact and high availability impact. Avoid inferring broader consequences without additional vendor detail.
Mitigation direction
Update iOS and iPadOS to 18.7.7, 26.4, or an applicable later release.
Update Sonoma to 14.8.5, Sequoia to 15.7.5, and Tahoe to 26.4 or later.
Update tvOS, visionOS, and watchOS to 26.4 or later.
Until patched, reduce device use on untrusted or attacker-controlled networks where operationally feasible.
Check Apple guidance for supported branches or devices not covered by the listed releases.
Validation and detection
Inventory affected Apple device families and their installed operating-system versions.
Confirm every device meets the applicable fixed release listed by Apple.
Use device-management reporting to identify failed, deferred, or incomplete updates.
Recheck Apple advisories for revised affected-version details or additional releases.
Document exceptions and reassess devices exposed to untrusted or privileged intermediary networks.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-285: Exact CWE lookup
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-285 · source CWE mapping
Improper Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.