Critical Alert 1 Active Exploit Detected Today

CVE-2026-86950 — Apple Multiple Products Out-of-Bounds Write Vulnerability →
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September 30, 2026

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CVE-2021-30952NVD

Vulnerability Summary

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Severity Level
UNKNOWN
Published Date
Aug 24, 2021
Last Modified
Mar 6, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
1.28%Probability
Root Weakness (CWE)
N/A

Affected & Patched Versions

Affected Versions
  • Apple watchOS >= unspecified and < 8.3
  • Apple iOS and iPadOS >= unspecified and < 15.2
  • Apple macOS >= unspecified and < 12.1
  • Apple macOS >= unspecified and < 15.2
Patched Versions
  • Apple watchOS 8.3
  • Apple iOS and iPadOS 15.2
  • Apple macOS 12.1
  • Apple macOS 15.2
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💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫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