A heap buffer overflow vulnerability in the FileMaker Server database engine block parsing routine allowed a maliciously crafted .fmp12 database file to cause memory corruption, potentially leading to arbitrary code execution. This vulnerability is addressed in FileMaker Server version 26.0.3.
History

Tue, 06 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*

Sat, 26 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in FileMaker Server Database Engine Enables Arbitrary Code Execution

Sat, 26 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in FileMaker Server Allowing Arbitrary Code Execution
Weaknesses CWE-119

Thu, 24 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 24 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 23 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Claris
Claris filemaker Server
Vendors & Products Claris
Claris filemaker Server

Wed, 23 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in FileMaker Server Allowing Arbitrary Code Execution
Weaknesses CWE-119

Wed, 23 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description A heap buffer overflow vulnerability in the FileMaker Server database engine block parsing routine allowed a maliciously crafted .fmp12 database file to cause memory corruption, potentially leading to arbitrary code execution. This vulnerability is addressed in FileMaker Server version 26.0.3.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-23T17:20:18.495Z

Updated: 2026-09-24T14:47:59.587Z

Reserved: 2026-09-08T16:43:41.878Z

Link: CVE-2026-86926

cve-icon Vulnrichment

Updated: 2026-09-24T14:46:45.424Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-23T18:17:09.587

Modified: 2026-10-06T13:09:34.440

Link: CVE-2026-86926

cve-icon Redhat

No data.