CVE-2026-4430

MEDIUM EPSS 0.2%
Published May 7, 20261mo ago · Modified Jun 17, 20261w ago
5.4 CVSS 4.0
Medium
Find Similar
Published May 7, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters. This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.

CVSS Details

Base Score
5.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
0.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
libreofficelibreoffice*≥25.8.0.0  –  <25.8.7.0
libreofficelibreoffice*≥26.2.0.0  –  <26.2.3.0

References 1

  • libreoffice.org https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.