CVE-2021-30883
Exploited in the Wild
✓ Confirmed 0-Day
★ Google Project Zero
Triaged: March 5, 2026
4 articles
EPSS Score
Source: FIRST.org · 2026-05-24
0.36%
probability
This CVE has a 0.36% probability
of being exploited in the next 30 days.
0%
Top 58.6th percentile of all CVEs
100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE.
View on VulnerabilityLookup ↗
Description
Project ZeroA memory corruption issue in IOMobileFrameBuffer
Attack Intelligence
Google Project Zero
Patched
Oct. 11, 2021
Reported by
???
Root Cause Analysis
???
Apple fixes zero-day in iOS and iPadOS 15.0.2 emergency release: Detect and Prioritize Vulnerabilities using VMDR for Mobile Devices
Qualys
Oct 18, 2021
Emergency Apple iOS 15.0.2 update fixes zero-day used in attacks
BleepingComputer
Oct 11, 2021
Apple silently fixes iOS zero-day, asks bug reporter to keep quiet
BleepingComputer
Oct 13, 2021
Signal Intelligence
Confidence
95%
EPSS
0.36%
Mentions
4
Last Seen
Oct 18, 2021
CNA Information
Analyst Note
Auto-imported from Google Project Zero — confirmed zero-day by definition.
Triage Info
Decided atMar 05, 2026