CVE-2025-31277
8.8 · HIGH Actively ExploitedOverview
CVE-2025-31277 is a high-severity vulnerability affecting apple safari. It was published on July 30, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
Remediation
Check the references section for vendor advisories and patches from apple. Update safari to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apple | safari | >= 0, < 18.6 | Affected |
| apple | ipados | >= 0, < 18.6 | Affected |
| apple | iphone_os | >= 0, < 18.6 | Affected |
| apple | macos | >= 15.0, < 15.6 | Affected |
| apple | tvos | >= 0, < 18.6 | Affected |
| apple | visionos | >= 0, < 2.6 | Affected |
| apple | watchos | >= 0, < 11.6 | Affected |
| webkitgtk | webkitgtk | >= 0, < 2.50.0 | Affected |
| wpewebkit | wpe_webkit | >= 0, < 2.50.0 | Affected |
References
Frequently Asked Questions
What is CVE-2025-31277?
CVE-2025-31277 is a high-severity vulnerability affecting apple safari. It was published on July 30, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2025-31277?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-31277?
Check the references section for vendor advisories and patches from apple. Update safari to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-31277?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-31277 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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