VulnRadar

Data against noise.

Page generated: 10 Nov 2026, 20:07 UTC

CVE-2023-42917

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been ex…

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CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.4/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 8.8: +1.32
Fresh EPSS: 9.29%: +0.05

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

Sources: 13 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

Help Net Security

Press · 23 Jan 2024, 08:00 · Apple fixes actively exploited WebKit zero-day (CVE-2024-23222) - Help Net Security

SecurityWeek

Press · 22 Jan 2024, 08:00 · Apple Ships iOS 17.3, Warns of WebKit Zero-Day Exploitation - SecurityWeek

Bitdefender

Press · 12 Dec 2023, 08:00 · Apple Issues iOS 16.7.3 to Patch Critical Security Flaws for Old-Gen iPhones - Bitdefender

Cisco Talos Blog

Press · 07 Dec 2023, 08:00 · Cybersecurity considerations to have when shopping for holiday gifts - Cisco Talos Blog

Lookout

Press · 04 Dec 2023, 08:00 · iOS 17.1.1 vulnerabilities | Threat Intel - Lookout

See all 13 source documents

Bitdefender

Press · 04 Dec 2023, 08:00 · Apple Plugs Two More Security Holes Likely Exploited by Spyware Actors - Bitdefender

Help Net Security

Press · 01 Dec 2023, 08:00 · Apple patches two zero-days used to target iOS users (CVE-2023-42916 CVE-2023-42917) - Help Net Security

Macworld

Press · 01 Dec 2023, 08:00 · Apple warns billions of users of actively exploited zero-day vulnerability - Macworld

Livemint

Press · 01 Dec 2023, 08:00 · Apple releases iOS update 17.1.2, users face THESE challenges: All details - Livemint

Lifehacker

Press · 30 Nov 2023, 08:00 · You Need to Update Your Apple Devices Now - Lifehacker

BleepingComputer

Press · 30 Nov 2023, 08:00 · Apple fixes two new iOS zero-days in emergency updates - BleepingComputer

Ars Technica

Press · 30 Nov 2023, 08:00 · Google researchers report critical 0-days in Chrome and all Apple OSes - Ars Technica

Macworld

Press · 30 Nov 2023, 08:00 · Apple releases macOS Sonoma 14.1.2 to fix exploited zero-day WebKit flaws - Macworld

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 8.4 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

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 8.8; EPSS 9.3%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network 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

First press mention

30 Nov 2023, 08:00

Published

30 Nov 2023, 22:18

Added to the CISA KEV catalog

04 Dec 2023, 00:00

Latest press mention

23 Jan 2024, 08:00

Score calculated

05 Nov 2026, 13:58