October 21, 2026

CVE Watchtower

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CVE-2023-43000NVD

Vulnerability Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Severity Level
HIGH(8.8)
Published Date
Nov 5, 2025
Last Modified
Sep 21, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
4.04%Probability
Root Weakness (CWE)
CWE-416: 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 < 16.6
  • Apple Ipados < 15.8.7
  • Apple Ipados >= 16.0 and < 16.6
  • Apple Iphone Os < 15.8.7
  • Apple Iphone Os >= 16.0 and < 16.6
  • Apple Macos < 13.5
Patched Versions
  • Apple Safari 16.6
  • Apple Ipados 15.8.7
  • Apple Ipados 16.6
  • Apple Iphone Os 15.8.7
  • Apple Iphone Os 16.6
  • Apple Macos 13.5
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🚫Ad-Free — Uninterrupted experience.
🎁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