A critical buffer overflow in Safari and iOS is being actively exploited to compromise mobile devices. 📱
CVE-2025-31277 · Severity High · Active Exploitation in Apple WebKit.
The @[CISA](urn:li:organization:13010360) has added a critical vulnerability impacting @[Apple](urn:li:organization:162479) Safari‚ iOS‚ and iPadOS to the Known Exploited Vulnerabilities catalog today. The flaw allows the processing of maliciously crafted web content to trigger a buffer overflow‚ leading to memory corruption and arbitrary code execution.
This vulnerability is a primary vehicle for zero-click and one-click mobile exploit kits. By targeting the browser engine‚ attackers can gain initial entry into a device without the user downloading a suspicious file. Federal agencies are mandated to remediate this flaw by April 3‚ 2026.
The uncomfortable truth: Your mobile browser is the most frequently exploited and least visible attack surface in your enterprise fleet.
→ Force a security update for all managed Apple devices to the latest iOS 26.3.1 or macOS 16.4.1 releases today.
→ Enable Lockdown Mode for high-risk users to specifically neutralize WebKit-based memory corruption paths.
→ Utilize Mobile Device Management ❨MDM❩ to ensure no devices with outdated browser engines are accessing corporate data.
#Cybersecurity #MobileSecurity #Apple #ZeroDay #PatchManagement #CodeDefence