CVE-2026-55586: sumatrapdf <= 3.6.1rel

CVE-2026-55586. CVSS 3.1 base score 6.6 (MEDIUM, Vendor/CNA). EPSS 0.00174 (percentile 0.06458), scored 17-Oct-2026.

Affected technology

sumatrapdf · <= 3.6.1rel
sumatrapdfreader

Component: Not specified by the source
Function: writes

Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.6/10) rates confidentiality and availability impact as low; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-119, CWE-787
CCR priority: 26.4 /100 (P4)
CVSS 3.1: 6.6 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L · Vendor/CNA
EPSS: 0.00174 · percentile 0.06458 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-55586.html