CVE-2026-65390
An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS
CVSS
8.8
High
EPSS
—
KEV
—
Exploit Today
0
0-100
Published: Sep 14, 2026 · Last modified: Sep 15, 2026 · CWE-190
Not enough EPSS history yet.
An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
- support.apple.comhttps://support.apple.com/en-us/148281
- support.apple.comhttps://support.apple.com/en-us/148282
- support.apple.comhttps://support.apple.com/en-us/148286
- support.apple.comhttps://support.apple.com/en-us/149036
- support.apple.comhttps://support.apple.com/en-us/149037
- support.apple.comhttps://support.apple.com/en-us/149038
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-845545.9 MED—
——0An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to cause a denial-of-service.7hCVE-2026-845366.5 MED—
——0An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination.6hCVE-2026-845175.5 MED—
——0An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.5hCVE-2026-844876.5 MED—
——0An integer overflow was addressed with improved input 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. Processing a maliciously crafted file may result in disclosure of process memory.5hCVE-2026-653918.8 HIG—
——0An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.5hCVE-2026-437886.6 MED—
——0An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.7h