HOMEVULNERABILITIESCVE-2026-20690
MEDIUM

CVE-2026-20690

Published: March 25, 2026· Updated: Mar 25, 2026

6.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:6.5th

Official Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing an audio stream in a maliciously crafted media file may terminate the process.

NVD Source

Technical Analysis

CVE-2026-20690 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

Apple6 products
ipadosiphone osmacostvosvisionoswatchos
Source: NVD CPE · 6 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/126792
ADVISORYhttps://support.apple.com/en-us/126793
ADVISORYhttps://support.apple.com/en-us/126794
ADVISORYhttps://support.apple.com/en-us/126795
ADVISORYhttps://support.apple.com/en-us/126796
ADVISORYhttps://support.apple.com/en-us/126797
ADVISORYhttps://support.apple.com/en-us/126798
ADVISORYhttps://support.apple.com/en-us/126799

All References (8)

→
https://support.apple.com/en-us/126792Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126793Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126794Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126795Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126796Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126797Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126798Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126799Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-20690
CVSS Score6.5 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMar 25, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-20690 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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