October 12, 2026

CVE Watchtower

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CVE-2025-31277NVD

Vulnerability Summary

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.
Severity Level
HIGH(8.8)
Published Date
Jul 30, 2025
Last Modified
Sep 21, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
1.60%Probability
Root Weakness (CWE)
CWE-119: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CWE-120: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Apple Safari < 18.6
  • Apple Ipados < 18.6
  • Apple Iphone Os < 18.6
  • Apple Macos >= 15.0 and < 15.6
  • Apple Tvos < 18.6
  • Apple Visionos < 2.6
  • Apple Watchos < 11.6
  • Webkitgtk Webkitgtk < 2.50.0
  • Wpewebkit Wpe Webkit < 2.50.0
  • Redhat Enterprise Linux
  • Redhat Enterprise Linux Aus
  • Redhat Enterprise Linux Els
  • Redhat Enterprise Linux Eus
  • Redhat Enterprise Linux Tus
  • Redhat Enterprise Linux Update Services For Sap Solutions
Patched Versions
  • Apple Safari 18.6
  • Apple Ipados 18.6
  • Apple Iphone Os 18.6
  • Apple Macos 15.6
  • Apple Tvos 18.6
  • Apple Visionos 2.6
  • Apple Watchos 11.6
  • Webkitgtk Webkitgtk 2.50.0
  • Wpewebkit Wpe Webkit 2.50.0
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References