Apple iOS/iPadOS/macOS up to 26.3 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$5k-$25k1.57

Summaryinfo

A vulnerability was found in Apple iOS, iPadOS and macOS up to 26.3. It has been classified as critical. Impacted is an unknown function. The manipulation leads to denial of service. This vulnerability is listed as CVE-2026-28894. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS, iPadOS and macOS up to 26.3. This issue affects an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.

The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2026-28894 since 03/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/29/2026). MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 26.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: iOS/iPadOS/macOS 26.4

Timelineinfo

03/03/2026 CVE reserved
03/25/2026 +22 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
03/29/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-28894 (🔒)
GCVE (CVE): GCVE-0-2026-28894
GCVE (VulDB): GCVE-100-352973
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 03/25/2026 07:59
Updated: 03/29/2026 22:40
Changes: 03/25/2026 07:59 (56), 03/29/2026 22:40 (11)
Complete: 🔍
Cache ID: 216:C19:103

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