Page generated: 11 Nov 2026, 11:05 UTC
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CVE-2021-1782

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple …

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A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
CVSS 7.0 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.1/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7: +1.05
  • Fresh EPSS: 2.22%: +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

The Hacker News
Press · 12 Oct 2021, 07:00 · Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability - The Hacker News
The Record from Recorded Future News
Press · 10 Oct 2021, 07:00 · Apple patches iPhone zero-day in iOS 15.0.2 - The Record from Recorded Future News
The Record from Recorded Future News
Press · 14 Jun 2021, 07:00 · Apple patches two iOS zero-days in old-gen devices - The Record from Recorded Future News
The Hacker News
Press · 27 Mar 2021, 07:00 · Apple Issues Urgent Patch Update for Another Zero‑Day Under Attack - The Hacker News
The Hacker News
Press · 02 Mar 2021, 08:00 · New 'unc0ver' Tool Can Jailbreak All iPhone Models Running iOS 11.0 - 14.3 - The Hacker News
See all 12 source documents
TechCrunch
Press · 01 Mar 2021, 08:00 · Hackers release a new jailbreak tool for almost every iPhone - TechCrunch
9to5Mac
Press · 01 Mar 2021, 08:00 · New Unc0ver jailbreak tool works on most iPhones, including iPhone 12 - 9to5Mac
GameRevolution
Press · 04 Feb 2021, 08:00 · Is iOS 14.4 safe? | Are there any bugs in the new iOS update? - GameRevolution
Notebookcheck
Press · 31 Jan 2021, 08:00 · iOS 14.4 contains a new anti-independent repair message along with security upgrades - Notebookcheck
The Hacker News
Press · 27 Jan 2021, 08:00 · Apple Warns of 3 iOS Zero-Day Security Vulnerabilities Exploited in the Wild - The Hacker News
Kaspersky
Press · 27 Jan 2021, 08:00 · Why you need to update iOS and iPadOS to version 14.4 immediately - Kaspersky
MacRumors
Press · 26 Jan 2021, 08:00 · iOS 14.4 Patches Vulnerabilities That May Have Been Actively Exploited - MacRumors

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 8.1 (2026-11-02 15:12). 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; EPSS 2.2%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low privileges, no user interaction, additional attack conditions.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:22.744333+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
26 Jan 2021, 08:00
Published
02 Apr 2021, 17:59
Latest press mention
12 Oct 2021, 07:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Score calculated
05 Nov 2026, 13:58