HOMEVULNERABILITIESCVE-2026-20605
MEDIUM

CVE-2026-20605

CWE-119Published: February 11, 2026· Updated: Feb 13, 2026

4.6
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:0.6th

Official Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An app may be able to crash a system process.

NVD Source

Technical Analysis

CVE-2026-20605 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.6.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Apple3 products
ipadosiphone osmacos
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.apple.com/en-us/126347
ADVISORYhttps://support.apple.com/en-us/126348
ADVISORYhttps://support.apple.com/en-us/126349
ADVISORYhttps://support.apple.com/en-us/126350

All References (4)

→
https://support.apple.com/en-us/126347Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126348Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126349Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126350Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-20605
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedFeb 11, 2026

Related CVEs (CWE-119)

CVE-2026-34159
9.8
CVE-2026-4182
9.8
CVE-2026-7546
9.8
CVE-2026-4149
9.8
CVE-2026-7719
9.8
CVE-2026-4214
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-20605 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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