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CVE-2026-33156— DLL Sideloading in ScreenToGif

Quick assessment

Affected
NickeManarin ScreenToGif
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ScreenToGif是Nicke Manarin个人开发者的一个屏幕录制与GIF制作工具。 ScreenToGif 2.42.1及之前版本存在安全漏洞，该漏洞源于存在DLL侧加载漏洞，可能导致在用户上下文中执行任意代码。

CVSS 7.8 · High EPSS 0.20% · P8
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I. Basic Information for CVE-2026-33156

Vulnerability Information
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Vulnerability Title
DLL Sideloading in ScreenToGif
Source: CVE Program / CVE List V5
Vulnerability Description
ScreenToGif is a screen recording tool. In versions from 2.42.1 and prior, ScreenToGif is vulnerable to DLL sideloading via version.dll . When the portable executable is run from a user-writable directory, it loads version.dll from the application directory instead of the Windows System32 directory, allowing arbitrary code execution in the user's context. This is especially impactful because ScreenToGif is primarily distributed as a portable application intended to be run from user-writable locations. At time of publication, there are no publicly available patches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
ScreenToGif 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ScreenToGif是Nicke Manarin个人开发者的一个屏幕录制与GIF制作工具。 ScreenToGif 2.42.1及之前版本存在安全漏洞，该漏洞源于存在DLL侧加载漏洞，可能导致在用户上下文中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NickeManarin ScreenToGif <= 2.42.1 -

II. Public POCs for CVE-2026-33156

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III. Intelligence Information for CVE-2026-33156

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Vendor Advisories for CVE-2026-33156 (1)

IV. Related Vulnerabilities

Same weakness: CWE-426

V. Comments for CVE-2026-33156

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