CVE-2023-42917
Exploited in the Wild
✓ Confirmed 0-Day
★ Google Project Zero
Triaged: Feb. 18, 2026
11 articles
EPSS Score
Source: FIRST.org · 2026-05-24
0.09%
probability
This CVE has a 0.09% probability
of being exploited in the next 30 days.
0%
Top 25.4th percentile of all CVEs
100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE.
View on VulnerabilityLookup ↗
Description
Project ZeroUnspecified memory corruption
Attack Intelligence
Google Project Zero
Patched
Nov. 30, 2023
Reported by
Clément Lecigne of Google's Threat Analysis Group
Root Cause Analysis
???
Apple fixes zero-day exploited in 'extremely sophisticated' attacks
BleepingComputer
Feb 10, 2025
Apple fixes this year’s first actively exploited zero-day bug
BleepingComputer
Jan 27, 2025
Apple fixes two zero-days used in attacks on Intel-based Macs
BleepingComputer
Nov 19, 2024
Apple fixes two new iOS zero-days exploited in attacks on iPhones
BleepingComputer
Mar 05, 2024
Apple fixes first zero-day bug exploited in attacks this year
BleepingComputer
Jan 22, 2024
Apple emergency updates fix recent zero-days on older iPhones
BleepingComputer
Dec 11, 2023
Apple fixes WebKit zero-day exploited in ‘extremely sophisticated’ attacks
BleepingComputer
Mar 11, 2025
Apple fixes two new iOS zero-days in emergency updates
BleepingComputer
Nov 30, 2023
Apple backports fix for zero-day exploited in attacks to older iPhones
BleepingComputer
May 13, 2024
Signal Intelligence
Confidence
92%
EPSS
0.09%
Mentions
11
Last Seen
Mar 11, 2025
CNA Information
Analyst Note
CVE-2023-42917 is confirmed as an actively exploited zero-day with evidence of real-world attacks described as 'extremely sophisticated' by Apple and security researchers. The vulnerability affects Safari and iOS with a high CVSS score of 8.8, and Apple acknowledged prior exploitation before releasing patches in iOS 16.7.1 and later versions.
Triage Info
Decided atFeb 18, 2026