Dashboard / CVE-2026-4430

CVE-2026-4430

MEDIUM
MEDIUM Priority: 0.00 BB Relevance: 36/100
Published: 2026-05-07 Modified: 2026-11-11 First seen: 2026-11-11 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: Low
VI: Low
VA: High

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
libreoffice libreoffice 25.8.0.0 – 25.8.7.0

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.4 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.08%
Raw Score 0.000780
Percentile 0.1%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00078
2026-11-13
0.00078
2026-11-12
0.00078
2026-11-10
0.00078

Intelligence Sources

nvd ref →

External Links