CVE-2026-25880 Vulnerability Analysis & Exploit Details

CVE-2026-25880
Vulnerability Scoring

7.8

/10

Very High Risk

Highly exploitable, CVE-2026-25880 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

Attack Complexity: Low
Exploits can be performed without significant complexity or special conditions.
Attack Vector: Local
Vulnerability requires local system access.
Privileges Required: None
No privileges are required for exploitation.
Scope: Unchanged
Exploit remains within the originally vulnerable component.
User Interaction: Required
User interaction is necessary for successful exploitation.

CVE-2026-25880 Details

Status: Analyzed

Last updated: 🕕 23 Feb 2026, 18:14 UTC
Originally published on: 🕙 09 Feb 2026, 22:16 UTC

Time between publication and last update: 13 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-25880 Vulnerability Summary

CVE-2026-25880: SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the opened PDF when the user clicks File → “Show in folder”. This behavior leads to arbitrary code execution on the victim’s system with the privileges of the current user, without any warning or user interaction beyond the menu click.

Assessing the Risk of CVE-2026-25880

Access Complexity Graph

The exploitability of CVE-2026-25880 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-25880

With low attack complexity and no required privileges, CVE-2026-25880 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-25880, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-25880, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: High
Exploiting CVE-2026-25880 can result in unauthorized access to sensitive data, severely compromising data privacy.
Integrity: High
CVE-2026-25880 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
Availability: High
CVE-2026-25880 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-25880 References

External References

https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-5x4h-247q-px37

CWE Common Weakness Enumeration

CWE-426

CAPEC Common Attack Pattern Enumeration and Classification

Leveraging/Manipulating Configuration File Search Paths CAPEC-38 This pattern of attack sees an adversary load a malicious resource into a program's standard path so that when a known command is executed then the system instead executes the malicious component. The adversary can either modify the search path a program uses, like a PATH variable or classpath, or they can manipulate resources on the path to point to their malicious components. J2EE applications and other component based applications that are built from multiple binaries can have very long list of dependencies to execute. If one of these libraries and/or references is controllable by the attacker then application controls can be circumvented by the attacker.

Vulnerable Configurations

cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.7:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.7:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.7:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.7:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.8:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.8:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.9:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:1.9:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.0:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:3.5.2:*:*:*:*:*:*:*

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