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Page generated: 11 Nov 2026, 08:38 UTC
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CVE-2026-20700

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a r…

Read full description
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.
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: 1.68%: +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: 25 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

BleepingComputer
Press · 29 Sep 2026, 07:00 · Apple patches CoreGraphics zero-day flaw exploited in attacks - BleepingComputer
The Hacker News
Press · 28 Sep 2026, 07:00 · Apple Patches CoreGraphics Flaw Possibly Exploited in Targeted Attacks - The Hacker News
The Hacker News
Press · 19 Mar 2026, 07:00 · DarkSword iOS Exploit Kit Uses 6 Flaws, 3 Zero-Days for Full Device Takeover - The Hacker News
Google Cloud
Press · 18 Mar 2026, 07:00 · The Proliferation of DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors - Google Cloud
SOC Prime
Press · 18 Mar 2026, 07:00 · CVE-2026-20643: Vulnerability in WebKit Navigation API May Bypass Same Origin Policy - SOC Prime
See all 25 source documents
The Hacker News
Press · 18 Mar 2026, 07:00 · Apple Fixes WebKit Vulnerability Enabling Same-Origin Policy Bypass on iOS and macOS - The Hacker News
Recorded Future
Press · 12 Mar 2026, 07:00 · February 2026 CVE Landscape: 13 Critical Vulnerabilities Mark 43% Drop from January - Recorded Future
Lookout
Press · 19 Feb 2026, 08:00 · MultiApp-CVE-2025-14765 | Threat Intel - Lookout
SOC Prime
Press · 16 Feb 2026, 08:00 · CVE-2026-2441: Google Patches Chrome Zero-Day Exploited in the Wild - SOC Prime
The Hacker News
Press · 16 Feb 2026, 08:00 · New Chrome Zero-Day (CVE-2026-2441) Under Active Attack — Patch Released - The Hacker News
Hong Kong Computer Emergency Response Team Coordination Centre
Press · 13 Feb 2026, 08:00 · Apple Products Multiple Vulnerabilities - Hong Kong Computer Emergency Response Team Coordination Centre
The Hacker News
Press · 13 Feb 2026, 08:00 · Researchers Observe In-the-Wild Exploitation of BeyondTrust CVSS 9.9 Vulnerability - The Hacker News
Field Effect
Press · 13 Feb 2026, 08:00 · Apple addresses a critical flaw exploited in targeted attacks - Field Effect
LinkedIn
Press · 13 Feb 2026, 08:00 · Apple Patches Actively Exploited Zero-Day Vulnerability Across Multiple Devices - LinkedIn
CyberSecurityNews
Press · 12 Feb 2026, 08:00 · Apple 0-Day Vulnerability Actively Exploited in Sophisticated Attack to Target Individuals - CyberSecurityNews
SecurityWeek
Press · 12 Feb 2026, 08:00 · Apple Patches iOS Zero-Day Exploited in ‘Extremely Sophisticated Attack’ - SecurityWeek
Security Affairs
Press · 12 Feb 2026, 08:00 · Apple fixed first actively exploited zero-day in 2026 - Security Affairs
The Hacker News
Press · 12 Feb 2026, 08:00 · Apple Fixes Exploited Zero-Day Affecting iOS, macOS, and Other Devices - The Hacker News
SOC Prime
Press · 12 Feb 2026, 08:00 · CVE-2026-20700: Apple Patches Zero-Day Exploited in Sophisticated Cyber Attacks - SOC Prime
The Register
Press · 12 Feb 2026, 08:00 · Apple patches decade-old iOS zero-day, possibly exploited by commercial spyware - The Register
Bitdefender
Press · 12 Feb 2026, 08:00 · iOS 26.3 Fixes an Important Security Flaw Exploited in Targeted Hacker Attacks. Update Now! - Bitdefender
Malwarebytes
Press · 12 Feb 2026, 08:00 · Apple patches zero-day flaw that could let attackers take control of devices - Malwarebytes
CyberScoop
Press · 12 Feb 2026, 08:00 · Apple discloses first actively exploited zero-day of 2026 - CyberScoop
Help Net Security
Press · 12 Feb 2026, 08:00 · Apple fixes zero-day flaw exploited in targeted attacks (CVE-2026-20700) - Help Net Security
BleepingComputer
Press · 11 Feb 2026, 08:00 · Apple fixes zero-day flaw used in 'extremely sophisticated' attacks - BleepingComputer

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 15:14). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
notthemystery/CVE-2026-20700-POC-that-ll-never-work00C26 May 2026, 10:52
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 1.7%
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 14:00:01.230559+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
11 Feb 2026, 08:00
Published
11 Feb 2026, 22:58
Added to the CISA KEV catalog
12 Feb 2026, 00:00
Latest press mention
29 Sep 2026, 07:00
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
1 repositories
Source: CVE List V5 · CISA KEV · FIRST EPSS · GitHub · RSSVulnRadar