Page generated: 11 Nov 2026, 08:20 UTC
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CVE-2023-41974

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, iOS 15.8.7 and iPadOS 15.8.7. An app may be able to execute arbitrary code with kernel privileges.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.2/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 1.96%: +0.01

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

CyberSecurityNews
Press · 13 Mar 2026, 07:00 · Apple Released Emergency Updates for iOS 15.8.7 to Thwart ‘Coruna’ Exploit Kit - CyberSecurityNews
GBHackers News
Press · 13 Mar 2026, 07:00 · Apple Releases Emergency iOS 15.8.7 Update to Block ‘Coruna’ Exploit Kit - GBHackers News
Security Affairs
Press · 12 Mar 2026, 07:00 · Apple issues emergency fixes for Coruna flaws in older iOS versions - Security Affairs
Lookout
Press · 12 Mar 2026, 07:00 · “Coruna" Exploit Kit - Lookout
The Hacker News
Press · 12 Mar 2026, 07:00 · Apple Issues Security Updates for Older iOS Devices Targeted by Coruna WebKit Exploit - The Hacker News
See all 10 source documents
9to5Mac
Press · 11 Mar 2026, 07:00 · Apple confirms today’s iOS and iPadOS updates fix Coruna exploit - 9to5Mac
GBHackers News
Press · 09 Mar 2026, 07:00 · CISA Alerts Users to Actively Exploited Vulnerabilities Impacting macOS and iOS - GBHackers News
CyberSecurityNews
Press · 09 Mar 2026, 07:00 · CISA Warns of macOS and iOS Vulnerabilities Exploited in Attacks - CyberSecurityNews
Security Affairs
Press · 05 Mar 2026, 08:00 · Google uncovers Coruna iOS Exploit Kit targeting iOS 13–17.2.1 - Security Affairs
The Hacker News
Press · 04 Mar 2026, 08:00 · Coruna iOS Exploit Kit Uses 23 Exploits Across Five Chains Targeting iOS 13–17.2.1 - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.2 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 7.8; EPSS 2.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:58.231410+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
10 Jan 2024, 22:03
First press mention
04 Mar 2026, 08:00
Added to the CISA KEV catalog
05 Mar 2026, 00:00
Latest press mention
13 Mar 2026, 07:00
Score calculated
05 Nov 2026, 13:58