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NVD Vulnerability Details :
CVE-2026-23512
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-14 Jan, 2026 | 21:15
Updated At-03 Feb, 2026 | 17:56

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, there is a Untrusted Search Path vulnerability when Advanced Options setting is trigger. The application executes notepad.exe without specifying an absolute path when using the Advanced Options setting. On Windows, this allows execution of a malicious notepad.exe placed in the application's installation directory, leading to arbitrary code execution.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.6HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CPE Matches
sumatrapdfreader
sumatrapdfreader
>>sumatrapdf>>Versions up to 3.5.2(inclusive)
cpe:2.3:a:sumatrapdfreader:sumatrapdf:*:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows>>-
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-426Primarysecurity-advisories@github.com
CWE ID: CWE-426
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/sumatrapdfreader/sumatrapdf/commit/2762e02a8cd7cb779c934a44257aac56ab7de673security-advisories@github.com
Patch
https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-rqg5-gj63-x4mvsecurity-advisories@github.com
Exploit
Vendor Advisory
Hyperlink: https://github.com/sumatrapdfreader/sumatrapdf/commit/2762e02a8cd7cb779c934a44257aac56ab7de673
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-rqg5-gj63-x4mv
Source: security-advisories@github.com
Resource:
Exploit
Vendor Advisory
Change History
0Changes found
Details not found