HOMEVULNERABILITIESCVE-2026-20602
MEDIUM

CVE-2026-20602

NVD-CWE-noinfoPublished: February 11, 2026· Updated: Feb 18, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

Official Description

The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An app may be able to cause a denial-of-service.

NVD Source

Technical Analysis

CVE-2026-20602 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Apple1 product
macos
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (3)

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-2026-20602
CVSS Score5.5 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedFeb 11, 2026

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-20602 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.