macOS Tahoe 26.4 Security Updates

Sandbox escape vulnerability in Apple iOS, iPadOS, macOS, and visionOS allows local attackers to break out of application sandboxes through improper path validation, potentially enabling unauthorized access to system resources and data. An attacker with local access could leverage this flaw to execute arbitrary operations outside application boundaries and bypass security restrictions. No patch is currently available for this critical vulnerability affecting multiple Apple platforms.

Improper path validation in macOS (Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4) allows sandboxed applications to escape their sandbox restrictions through directory path traversal. A local attacker with the ability to run malicious apps can exploit this weakness to execute code outside sandbox boundaries with full system privileges. No patch is currently available for this critical vulnerability.

A logic flaw in macOS Tahoe allows local users to elevate their privileges through improved checks that were insufficient in earlier versions. This vulnerability affects macOS versions prior to 26.4 and enables privilege escalation attacks from standard user accounts to higher privilege levels. Apple has patched this issue in macOS Tahoe 26.4, and no active exploitation or public proof-of-concept code has been reported.

A validation flaw in macOS entitlement verification allows applications to bypass privilege checks and gain elevated system privileges. The vulnerability affects macOS Sequoia 15.7.4 and earlier, macOS Sonoma 14.8.4 and earlier, and macOS Tahoe 26.3 and earlier. Apple has addressed this issue through improved validation of process entitlements in patched versions (15.7.5, 14.8.5, and 26.4 respectively), but no CVSS score, EPSS data, or KEV inclusion status is currently available, limiting immediate risk quantification.

macOS versions prior to Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4 contain an out-of-bounds read vulnerability that allows local applications to access and disclose sensitive kernel memory. An attacker with the ability to run code on an affected system can exploit this memory disclosure to obtain privileged information that may aid in further system compromise. No patch is currently available for this HIGH severity vulnerability.

Sandboxed processes on Apple macOS (Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4) can escape sandbox isolation due to a race condition in state handling, allowing local attackers to bypass security restrictions and potentially execute arbitrary operations with elevated privileges. No patch is currently available for affected systems. The vulnerability requires local access and specific timing conditions but carries high impact across confidentiality, integrity, and availability.

This vulnerability is a memory handling flaw in Apple's operating systems (iOS, iPadOS, macOS, tvOS, visionOS, and watchOS) that allows a malicious application to trigger unexpected system termination or corrupt kernel memory. The vulnerability affects all versions prior to the version 26.4 releases across Apple's entire ecosystem. An attacker can exploit this by crafting a malicious app that triggers improper memory handling, potentially leading to denial of service or privilege escalation through kernel memory corruption.

An access control vulnerability in macOS allows applications to connect to network shares without explicit user consent, bypassing the sandbox restrictions designed to prevent unauthorized network access. This affects macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4, where a malicious or compromised application could silently establish connections to network resources. Apple has addressed this issue through additional sandbox restrictions in the specified patch versions; no public exploit code or active exploitation via KEV has been reported, but the nature of the vulnerability suggests moderate real-world risk due to the ease with which local applications could abuse this capability.

A logic flaw in macOS Tahoe allows applications to bypass security controls and access sensitive user data without proper authorization. The vulnerability affects macOS versions prior to 26.4 and is addressed through improved input validation and access control checks. While CVSS scoring data is unavailable, Apple has released a patch indicating this is a genuine security concern requiring immediate attention.

A buffer overflow vulnerability in Apple macOS Tahoe prior to version 26.4 enables remote attackers to trigger a denial-of-service condition through memory corruption and application crashes without requiring user interaction or authentication. The flaw stems from insufficient bounds checking and currently lacks a security patch. This vulnerability affects all macOS users running vulnerable versions.

Improper state management in Apple's authentication mechanisms across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS allows attackers positioned on a network to intercept and potentially manipulate encrypted traffic. An attacker with privileged network access can exploit this vulnerability to conduct man-in-the-middle attacks without user interaction, compromising the confidentiality of communications. No patch is currently available for this high-severity flaw.

Remote attackers can trigger denial-of-service conditions against multiple Apple operating systems (iOS, iPadOS, macOS variants) through network requests that bypass insufficient input validation. The vulnerability affects iOS 26.4 and earlier, iPadOS 26.4 and earlier, macOS Sequoia 15.7.4 and earlier, macOS Sonoma 14.8.4 and earlier, and macOS Tahoe 26.3 and earlier. No patch is currently available for this high-severity vulnerability with a 7.5 CVSS score.

Integer overflow vulnerability in Apple macOS (Sequoia 15.7.4 and earlier, Sonoma 14.8.4 and earlier, Tahoe 26.2 and earlier) allows remote attackers to trigger heap corruption by processing a specially crafted string without requiring user interaction or privileges. The vulnerability results in denial of service and potential memory corruption but currently lacks a public patch. No active exploitation has been reported.

A privacy vulnerability in macOS allows applications to capture a user's screen through improper handling of temporary files. The issue affects macOS Sequoia versions prior to 15.7.4 and macOS Tahoe versions prior to 26.3, enabling unauthorized screen capture by malicious or compromised applications. This vulnerability represents an information disclosure threat where sensitive user data visible on screen could be exfiltrated without user consent or awareness.

Improper bounds checking in Apple macOS (Sequoia 15.7.4 and earlier, Sonoma 14.8.4 and earlier, Tahoe 26.3 and earlier) permits a local attacker to write out-of-bounds memory through a malicious application, potentially allowing modification of protected filesystem areas. The vulnerability requires user interaction to execute the malicious app and affects the file system's integrity rather than confidentiality. No patch is currently available for this out-of-bounds write condition.

Apple's iOS, iPadOS, macOS, tvOS, and watchOS contain a use-after-free vulnerability that could allow a local attacker to corrupt kernel memory or cause unexpected system crashes. An installed application can trigger this memory corruption flaw through user interaction, potentially leading to denial of service or unauthorized kernel-level modifications. No patch is currently available for this vulnerability (CVSS 7.1).

A path handling vulnerability in iOS and iPadOS allows users with physical access to an iOS device to bypass Activation Lock through improved validation gaps in path handling logic. This authentication bypass affects iOS versions prior to 18.7.7 and 26.2, as well as corresponding iPadOS releases. While no CVSS score or EPSS data is publicly available, the physical access requirement and authentication bypass nature indicate a meaningful risk to device security and stolen device protection.

Apple's iOS, iPadOS, macOS, tvOS, visionOS, and watchOS contain a use-after-free vulnerability that could allow remote attackers to crash affected applications by processing maliciously crafted web content. The vulnerability stems from improper memory management and requires user interaction to exploit. No patch is currently available, leaving users vulnerable until official updates are released.

A file access control vulnerability in macOS Tahoe allows attackers to bypass input validation mechanisms and gain unauthorized access to protected portions of the file system. The vulnerability affects macOS versions prior to Tahoe 26.4, and has been classified as an Information Disclosure issue by Apple. An attacker exploiting this vulnerability can read or access files and directories that should be restricted from their privilege level, potentially exposing sensitive user data, system configuration files, or other protected resources.

This vulnerability allows attackers to bypass Content Security Policy (CSP) enforcement in Apple's WebKit engine through maliciously crafted web content, affecting Safari and all Apple platforms including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The vulnerability stems from improper state management during web content processing, enabling attackers to circumvent a critical security control that prevents injection attacks and unauthorized script execution. While no CVSS score or EPSS data is currently available, the broad platform impact across Apple's entire ecosystem and the fundamental nature of CSP bypass as an information disclosure vector indicate significant real-world risk.

macOS systems running Sequoia 15.7.4 or earlier, Sonoma 14.8.4 or earlier, and Tahoe 26.3 or earlier contain a use-after-free vulnerability in SMB share handling that could allow an attacker to crash the operating system by mounting a specially crafted network share. The vulnerability requires user interaction to mount the malicious share and results in denial of service rather than code execution or data compromise. No patch is currently available for this vulnerability.

Maliciously crafted media files containing out-of-bounds memory access in Apple's audio processing can crash affected applications across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. An attacker can trigger a denial of service by triggering the vulnerability through a specially crafted audio stream, though no patch is currently available. This impacts multiple recent OS versions where an out-of-bounds read occurs during media file processing.

Improper memory handling in Apple iOS, iPadOS, and macOS allows remote denial of service when processing maliciously crafted files, potentially causing unexpected application crashes. An attacker can trigger this vulnerability by delivering a specially crafted file to a victim, resulting in app termination without requiring user privileges or interaction beyond opening the file. No patch is currently available for this medium-severity vulnerability affecting multiple Apple platforms.

A privacy vulnerability in Apple's operating systems allows third-party applications to enumerate a user's installed applications, resulting in unauthorized information disclosure about device software inventory. The vulnerability affects iOS and iPadOS versions prior to 18.7.7 and 26.4, macOS Sonoma prior to 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, and watchOS 26.4 across all affected product lines. An attacker can exploit this vulnerability by crafting a malicious application that leverages the enumeration capability to profile a user's installed software, potentially enabling further targeted attacks or privacy inference attacks based on application usage patterns.

An information disclosure vulnerability in macOS allows applications to determine kernel memory layout through improper memory management, enabling potential attacks that rely on kernel address space layout randomization (KASLR) bypass. This issue affects macOS Sequoia (before 15.7.5), macOS Sonoma (before 14.8.5), and macOS Tahoe (before 26.4). An unprivileged application can exploit this to leak kernel memory addresses, which is a critical prerequisite for more sophisticated kernel exploitation attacks. No CVSS score, EPSS probability, or evidence of active exploitation in CISA KEV catalog has been published, though the vulnerability was patched by Apple across three major OS versions, suggesting it was discovered through responsible disclosure rather than in-the-wild exploitation.

macOS Tahoe versions prior to 26.4 contain a buffer overflow vulnerability that can cause denial of service through unexpected application termination or memory corruption when exploited by local attackers. The vulnerability stems from insufficient size validation in memory operations and requires no user interaction to trigger. No patch is currently available for affected systems.

Denial of service in Apple iOS, iPadOS, and macOS due to a use-after-free memory corruption vulnerability allows local attackers to trigger unexpected system termination. The flaw affects multiple Apple platforms including iOS 18.x, macOS Sequoia, Sonoma, and Tahoe versions. No patch is currently available.

A privacy vulnerability in macOS allows applications to access sensitive user data through improper handling of temporary files. The issue affects macOS Sequoia (versions prior to 15.7.5), macOS Sonoma (versions prior to 14.8.4), and macOS Tahoe (versions prior to 26.3). An unprivileged application could exploit weak temporary file protections to read or manipulate sensitive data, though no active exploitation in the wild or public proof-of-concept has been confirmed at this time.

A downgrade vulnerability affecting Intel-based Mac computers allows malicious applications to bypass code-signing restrictions and access user-sensitive data. The vulnerability impacts macOS Sequoia (versions before 15.7.5), macOS Sonoma (versions before 14.8.5), macOS Tahoe (versions before 26.3 and 26.4), and affects all Intel-based Mac systems running vulnerable versions. An attacker can craft an application that exploits insufficient code-signing validation to downgrade security protections and exfiltrate sensitive user information.

Type confusion in Apple's iOS, iPadOS, macOS, tvOS, visionOS, and watchOS allows local attackers to trigger unexpected application termination through memory corruption. The vulnerability affects multiple OS versions and currently lacks a publicly available patch. An attacker with local access can exploit this to cause denial of service by crashing targeted applications.

A symlink validation vulnerability in Apple's iOS, iPadOS, and macOS operating systems allows malicious applications to bypass file system protections and access sensitive user data through improper handling of symbolic links. The vulnerability affects iOS 18.7.7 and earlier, iPadOS 18.7.7 and earlier, iOS 26.4 and earlier, iPadOS 26.4 and earlier, macOS Sequoia 15.7.5 and earlier, macOS Sonoma 14.8.5 and earlier, and macOS Tahoe 26.4 and earlier. An attacker with the ability to install or execute an application on the affected system could leverage this weakness to read restricted files and access private user information without proper authorization.

A permissions enforcement vulnerability in Apple's operating systems allows third-party applications to enumerate installed applications on a user's device without proper authorization. This information disclosure issue affects iOS, iPadOS, macOS, and visionOS versions prior to 26.4, enabling attackers to gain insight into a user's software ecosystem for profiling or targeting purposes. Apple has addressed this with additional access restrictions in the patched versions, though no CVSS score, EPSS data, or known active exploitation has been publicly disclosed.

Denial-of-service attacks against multiple Apple platforms (iOS, iPadOS, macOS, tvOS, visionOS, and watchOS) result from improper null pointer handling that allows attackers in privileged network positions to crash affected systems. An attacker exploiting this CWE-476 vulnerability can render devices unavailable without user interaction. No patch is currently available, requiring users to apply mitigations until updates are released.

A logging issue in Apple's operating systems allows improper data redaction in system logs, enabling installed applications to access sensitive user data that should have been masked. This vulnerability affects iOS 18.7.7 and earlier, iPadOS 18.7.7 and earlier, iOS 26.3 and earlier, iPadOS 26.3 and earlier, macOS Sequoia 15.7.5 and earlier, macOS Sonoma 14.8.5 and earlier, macOS Tahoe 26.3 and earlier, and visionOS 26.3 and earlier. An attacker with the ability to install or control an application on an affected device could exploit inadequate log data filtering to extract confidential user information that should be protected by the operating system's redaction mechanisms.

This vulnerability involves improper handling of symbolic links in Apple operating systems that could allow an application to access user-sensitive data without proper authorization. The flaw affects iOS and iPadOS versions prior to 26.3, macOS Sequoia versions prior to 15.7.4, macOS Sonoma versions prior to 14.8.4, and macOS Tahoe versions prior to 26.3 and 26.4. An attacker with the ability to execute code in a sandboxed application context could potentially bypass security restrictions to access protected user information, though no active exploitation in the wild has been confirmed at this time.

A permissions enforcement vulnerability in macOS allows applications to modify protected portions of the file system that should be restricted from unauthorized access. This issue affects macOS Sequoia, Sonoma, and Tahoe across multiple versions prior to their patched releases (15.7.5, 14.8.5, and 26.4 respectively). An attacker controlling or tricking a user into running a malicious application could leverage this permissions bypass to modify system-critical files, potentially enabling privilege escalation, persistence mechanisms, or system compromise.

An authorization flaw in macOS allows applications to bypass state management controls and access sensitive user data without proper authorization. The vulnerability affects macOS Sequoia 15.7.4 and earlier, macOS Sonoma 14.8.4 and earlier, and macOS Tahoe 26.3 and earlier. While no CVSS score, EPSS data, or public exploit code is currently available, Apple has silently patched this issue across three major macOS versions, suggesting it posed a meaningful risk to user privacy and data confidentiality.

Apple iOS, iPadOS, macOS, tvOS, visionOS, and watchOS are vulnerable to a stack overflow vulnerability that can be triggered by user interaction with a malicious app, potentially causing denial-of-service conditions. The vulnerability stems from insufficient input validation and affects multiple recent OS versions across Apple's product ecosystem. While no patch is currently available, users should exercise caution when installing apps from untrusted sources.

A logging issue in Apple's operating systems allows improper data redaction, potentially enabling applications to disclose kernel memory contents. This information disclosure vulnerability affects iOS and iPadOS (versions prior to 18.7.7 and 26.4), macOS (Sequoia 15.7.5, Sonoma 14.8.5, Tahoe 26.4), visionOS 26.4, and watchOS 26.4. An untrusted application with standard execution privileges could exploit this to read sensitive kernel memory that should have been redacted from logs, potentially exposing cryptographic material, memory addresses useful for ASLR bypass, or other privileged information. No CVSS score, EPSS data, or public proof-of-concept has been disclosed at this time, and this does not appear on the CISA Known Exploited Vulnerabilities (KEV) catalog.

A permissions enforcement vulnerability in macOS allows applications to bypass file system protections and modify protected system files or directories through inadequate access controls. This affects macOS Sequoia (before 15.7.5), macOS Sonoma (before 14.8.5), and macOS Tahoe (before 26.4). Apple has addressed the issue by removing vulnerable code, and no active exploitation or proof-of-concept has been publicly disclosed at this time.

This vulnerability involves improper handling of symbolic links (symlinks) in macOS, which could allow an application to access sensitive user data without proper authorization. The issue affects multiple macOS versions including Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4, representing an information disclosure vulnerability with potential impact on user privacy. Apple has released patches to address the symlink handling deficiency, though specific attack complexity and exploitation metrics are not publicly detailed.

An authorization bypass vulnerability in Apple's operating systems allows third-party applications to access sensitive user data through improper state management during authorization checks. The vulnerability affects iOS/iPadOS 26.4 and earlier, macOS Sequoia 15.7.5 and earlier, macOS Tahoe 26.4 and earlier, visionOS 26.4 and earlier, and watchOS 26.4 and earlier across multiple Apple devices and platforms. An attacker can exploit this by crafting a malicious application that circumvents authorization controls to read protected user information without explicit user consent. No CVSS score, EPSS probability, or active exploitation status has been disclosed by Apple, though the vulnerability spans all major Apple operating systems indicating broad platform impact.

This vulnerability allows unauthorized applications to access sensitive user data on affected macOS systems through improved security checks that were insufficient in earlier versions. The issue affects macOS Sequoia (versions prior to 15.7.5), macOS Sonoma (versions prior to 14.8.5), and macOS Tahoe (versions prior to 26.4). An attacker with the ability to execute a malicious application on a vulnerable system could potentially read or exfiltrate sensitive user information that should be protected by macOS security controls. There is no evidence of active exploitation in the wild or public proof-of-concept availability, and the limited disclosure details suggest Apple addressed this proactively before widespread abuse.

Improper path validation in Apple macOS Tahoe allows unauthenticated remote attackers to read sensitive user data through directory path traversal. The vulnerability requires no user interaction and affects systems prior to macOS Tahoe 26.4. No patch is currently available for this medium-severity issue.

An input validation flaw in iOS and iPadOS allows malicious applications to bypass security controls and access sensitive user data without proper authorization. The vulnerability affects iOS and iPadOS versions prior to 26.3, where insufficient input validation in an unspecified component permits unauthorized data disclosure. Apple has patched this vulnerability in iOS 26.3 and iPadOS 26.3, and there are no public indicators of active exploitation or proof-of-concept availability.

A privacy vulnerability in Apple's Mail application allows the "Hide IP Address" and "Block All Remote Content" user preferences to fail inconsistently across certain mail content, potentially exposing user IP addresses and loading remote content despite explicit user configuration. This affects iOS, iPadOS, and multiple macOS versions. While no CVSS score or EPSS data is currently available and there is no indication of active exploitation in the wild (KEV status not listed), the vulnerability represents a direct circumvention of privacy controls that users explicitly enable to protect their identity and security posture.

A logging issue in Apple macOS allows applications to access sensitive user data that should have been redacted from logs. The vulnerability affects macOS Sequoia (versions before 15.7.5), macOS Sonoma (versions before 14.8.5), and macOS Tahoe (versions before 26.4). An attacker controlling a malicious app could exploit improper data redaction in system logging to exfiltrate sensitive information that was intended to be masked.

An information disclosure vulnerability in macOS Tahoe allows applications to access sensitive user data through insufficient access controls. The vulnerability affects all versions of macOS prior to version 26.4, where the flaw was remediated through improved permission checking mechanisms. While specific technical details are limited, the vulnerability enables malicious or compromised applications to bypass privacy protections and exfiltrate user information.

A permissions enforcement vulnerability in macOS allows unauthorized applications to access sensitive user data due to insufficient access controls that have been remediated through code removal. The vulnerability affects macOS Sequoia (versions prior to 15.7.5), macOS Sonoma (versions prior to 14.8.5), and macOS Tahoe (versions prior to 26.4). An unprivileged application could potentially read or access protected user information without proper user consent or authorization, representing a confidentiality breach with moderate real-world impact depending on the specific data accessible.

This vulnerability is a privacy issue in Apple macOS where improved private data redaction for log entries was not properly implemented, allowing applications to potentially access user-sensitive data that should have been redacted. The vulnerability affects macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4, with no public indicators of active exploitation or proof-of-concept code. While CVSS and EPSS scores are unavailable, the nature of the issue suggests moderate real-world risk due to its reliance on application-level exploitation requiring user interaction or system access.

An authorization bypass vulnerability in macOS allows applications to access sensitive user data through improper state management of access controls. The vulnerability affects macOS Sequoia (before 15.7.5), macOS Sonoma (before 14.8.5), and macOS Tahoe (before 26.4). While no CVSS score, EPSS data, or KEV status is currently published, Apple has released patches addressing this issue, indicating it was discovered through internal review rather than active exploitation.

A sandbox escape vulnerability in macOS allows malicious applications to break out of their sandbox restrictions through a permissions issue. This affects macOS Sequoia (versions prior to 15.7.5), macOS Sonoma (versions prior to 14.8.5), and macOS Tahoe (versions prior to 26.4). An attacker who distributes a malicious app could potentially gain unauthorized access to system resources and user data that should be protected by the sandbox security boundary.

macOS systems running Sequoia 15.7.4 and earlier, Sonoma 14.8.4 and earlier, or Tahoe 26.3 and earlier are vulnerable to a race condition in application state handling that allows local attackers to trigger unexpected system termination and cause denial of service. The vulnerability requires specific timing conditions but does not require user interaction or elevated privileges to exploit. Apple has released patches for affected versions, though exploitation likelihood remains low.

Protected system files on macOS (Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4) can be deleted by attackers with root privileges due to improper state management. This integrity-impacting vulnerability affects administrators and privileged users who could leverage elevated access to remove critical system components. No patch is currently available for this medium-severity issue.

Root-privileged applications on Apple macOS can bypass path validation to delete protected system files due to insufficient input sanitization. This affects macOS Tahoe 26.4 and requires the attacker to already have root-level access, limiting the attack surface to local privilege escalation scenarios. No patch is currently available.

An authorization and state management flaw in Apple's WebKit browser engine allows maliciously crafted webpages to fingerprint users by exploiting improper state handling during web interactions. This vulnerability affects Safari 26.4, iOS 26.4, iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, and watchOS 26.4 across all Apple platforms. An attacker can exploit this by hosting a specially crafted webpage that leverages the state management weakness to extract browser or device identifiers without user knowledge, enabling user tracking and profiling attacks. No CVSS score, EPSS data, or public proof-of-concept details are currently available, though Apple has released fixes across all affected platforms.

Memory corruption in Apple Safari, iOS, iPadOS, macOS, and visionOS allows remote attackers to crash affected processes by delivering maliciously crafted web content to users. The vulnerability requires user interaction to view the malicious content and does not enable code execution or information disclosure. A patch is currently unavailable for this issue.

A sandbox escape vulnerability in Apple's WebKit browser engine allows malicious websites to process restricted web content outside the security sandbox, potentially enabling unauthorized access to protected system resources. The vulnerability affects Safari and all Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Apple has addressed this issue through improved memory handling in Safari 26.4 and corresponding OS updates across all affected platforms.

A logic error in Apple's script message handler implementation allows malicious websites to access script message handlers intended for other origins, resulting in unauthorized cross-origin information disclosure. This vulnerability affects Safari 26.4 and earlier, iOS/iPadOS 18.7.7 and earlier, macOS Tahoe 26.4 and earlier, and visionOS 26.4 and earlier. An attacker can craft a malicious website that exploits improper state management in the message handler routing mechanism to intercept sensitive data intended for legitimate web applications, potentially exposing authentication tokens, user data, or other confidential information passed through script messaging interfaces.

A permissions enforcement vulnerability in macOS allows applications to bypass security restrictions and access protected user data due to insufficient authorization checks. This issue affects macOS Sequoia (prior to 15.7.5), macOS Sonoma (prior to 14.8.5), and macOS Tahoe (prior to 26.4). An attacker with the ability to execute an application on the affected system could potentially access sensitive user information without proper user consent or authorization. No CVSS score, EPSS data, or active exploitation in the wild (KEV status) has been disclosed by Apple.

Unauthorized file deletion in macOS Sequoia, Sonoma, and Tahoe allows unprivileged applications to delete files without proper permissions due to insufficient path validation. An attacker could exploit this vulnerability through a malicious app to remove sensitive files outside the application's intended scope. This medium-severity local vulnerability affects multiple recent macOS versions and currently has no available patch.

A logic issue in macOS Tahoe allows a malicious application to escape its sandbox and execute code outside of the restricted security boundary. This vulnerability affects macOS versions prior to 26.4 and represents a critical sandbox bypass that could enable arbitrary code execution with elevated privileges. While no CVSS score or active exploitation data is currently available, the sandbox escape capability makes this a high-priority patch for all affected macOS users.

An information disclosure vulnerability in Apple's operating systems allows applications to enumerate a user's installed apps without proper authorization. This affects iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions prior to 26.4. An attacker can distribute a malicious app that queries the system to discover what applications a user has installed, potentially enabling targeted attacks or privacy violations. No CVSS score, EPSS data, or known public exploits are currently documented, but the vulnerability has been fixed across all Apple platforms, indicating Apple assessed this as requiring immediate remediation.

A local privilege escalation vulnerability in Apple's Keychain implementation allows an attacker with local access to bypass permissions checking and retrieve sensitive stored credentials and secrets. The vulnerability affects iOS 18.7.7 and earlier, iPadOS 18.7.7 and earlier, iOS 26.4 and earlier, iPadOS 26.4 and earlier, macOS Sequoia 15.7.5 and earlier, macOS Sonoma 14.8.5 and earlier, macOS Tahoe 26.4 and earlier, visionOS 26.4 and earlier, and watchOS 26.4 and earlier. No public exploitation has been confirmed, and patched versions are now available across all affected platforms.

A privacy vulnerability in macOS Tahoe allows documents to be inadvertently written to temporary files during print preview operations, potentially exposing sensitive information to unauthorized access. This affects macOS versions prior to 26.4. An attacker with local file system access could retrieve unencrypted documents from temporary storage, circumventing user expectations of privacy during print operations.

A permissions validation flaw in macOS Tahoe allows applications to circumvent Gatekeeper security checks, potentially enabling execution of untrusted or malicious code that would normally be blocked by Apple's code signing and notarization mechanisms. This vulnerability affects macOS Tahoe versions prior to 26.4 and is fixed in the 26.4 release. An attacker with the ability to distribute a specially crafted application could bypass endpoint security controls designed to protect users from unsigned or malicious software.