Apple macOS up to 14.8.7/15.7.7/26.5 resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.68

Summaryinfo

A vulnerability labeled as critical has been found in Apple macOS up to 14.8.7/15.7.7/26.5. Affected is an unknown function. Such manipulation leads to resource consumption. This vulnerability is traded as CVE-2026-43777. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Apple macOS up to 14.8.7/15.7.7/26.5. It has been rated as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

This issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause a denial of service.

The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2026-43777 since 05/02/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/27/2026). The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 14.8.8, 15.7.8 or 26.6 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: macOS 14.8.8/15.7.8/26.6

Timelineinfo

05/02/2026 CVE reserved
07/27/2026 +86 days Advisory disclosed
07/27/2026 +0 days VulDB entry created
07/27/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-43777 (🔒)
GCVE (CVE): GCVE-0-2026-43777
GCVE (VulDB): GCVE-100-383624
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/27/2026 23:44
Changes: 07/27/2026 23:44 (55)
Complete: 🔍
Cache ID: 216::103

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