Page generated: 11 Nov 2026, 14:06 UTC
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CVE-2022-22674

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memor…

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An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.
CVSS 5.5 (MEDIUM) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
7.8/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 5.5: +0.82
  • Fresh EPSS: 1.09%: +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: 12 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

Bitsight
Press · 13 Jan 2023, 15:27 · 2023 Apple & iOS Vulnerabilities from CISA: Data - Bitsight
CyberSecurityNews
Press · 14 Dec 2022, 08:00 · Apple New Webkit Zero-day Flaw Used Actively Used in Attacks Against iPhones - CyberSecurityNews
LADbible
Press · 18 Aug 2022, 07:00 · Apple urges users to update software immediately after finding 'serious security vulnerabilities' - LADbible
BleepingComputer
Press · 18 Aug 2022, 07:00 · Apple releases Safari 15.6.1 to fix zero-day bug used in attacks - BleepingComputer
BleepingComputer
Press · 17 Aug 2022, 07:00 · Apple security updates fix 2 zero-days used to hack iPhones, Macs - BleepingComputer
See all 12 source documents
NEC
Press · 09 Jun 2022, 07:00 · Software Updates for PCs, Smartphones, and Tablet Devices : Cyber Security - NEC
Hong Kong Computer Emergency Response Team Coordination Centre
Press · 17 May 2022, 07:00 · Apple Products Multiple Vulnerabilities - Hong Kong Computer Emergency Response Team Coordination Centre
Macworld
Press · 07 Apr 2022, 07:00 · Apple releases Big Sur 11.6.6 beta to address serious security flaws - Macworld
PCMag Australia
Press · 01 Apr 2022, 07:00 · Update Your iPhone Now: Apple Releases Patches for iOS, iPadOS, Mac Zero-Days - PCMag Australia
BleepingComputer
Press · 31 Mar 2022, 07:00 · Apple emergency update fixes zero-days used to hack iPhones, Macs - BleepingComputer
AppleInsider
Press · 31 Mar 2022, 07:00 · macOS Monterey 12.3.1 now available with Bluetooth & external display fixes - AppleInsider
The Register
Press · 31 Mar 2022, 07:00 · Apple emits macOS, iOS, iPadOS patches for 'exploited' security bugs - The Register

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 7.8 (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 5.5; EPSS 1.1%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:35.128013+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
31 Mar 2022, 07:00
Added to the CISA KEV catalog
04 Apr 2022, 00:00
Published
26 May 2022, 17:43
Latest press mention
13 Jan 2023, 15:27
Score calculated
05 Nov 2026, 13:58