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CVE-2026-34458— Sandboxie-Plus privilege escalation via INI CRLF injection bypassing EditAdminOnly

EPSS 0.01% · P3
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I. Basic Information for CVE-2026-34458

Vulnerability Information
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Vulnerability Title
Sandboxie-Plus privilege escalation via INI CRLF injection bypassing EditAdminOnly
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, an INI injection vulnerability allows any standard local user to bypass configuration restrictions (EditAdminOnly and ConfigPassword) and inject arbitrary directives into the global Sandboxie.ini configuration file. The background service skips authorization checks for IPC messages targeting sections beginning with UserSettings_, but does not sanitize CRLF characters in either the value parameter (via MSGID_SBIE_INI_ADD_SETTING) or the setting name parameter (via MSGID_SBIE_INI_SET_SETTING). An attacker can inject a new sandbox section header with unrestricted permissions, enabling sandbox escape and SYSTEM privilege escalation. This issue has been fixed in version 1.17.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sandboxie-Plus 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sandboxie-Plus是Sandboxie-Plus公司的一款沙盒隔离软件。 Sandboxie-Plus 1.17.2及之前版本存在注入漏洞，该漏洞源于INI注入漏洞允许标准本地用户绕过配置限制并注入任意指令到全局Sandboxie.ini配置文件，可能导致沙箱逃逸和SYSTEM权限提升。
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

VendorProductAffected VersionsCPESubscribe
sandboxie-plusSandboxie < 1.17.3 -

II. Public POCs for CVE-2026-34458

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III. Intelligence Information for CVE-2026-34458

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Same Patch Batch · sandboxie-plus · 2026-05-05 · 8 CVEs total

CVE-2026-32603Sandboxie kernel driver denial of service via malformed IOCTL from sandboxed process
CVE-2026-34596Sandboxie-Plus local privilege escalation via TOCTOU race condition in UpdUtil addon insta
CVE-2026-34462Sandboxie-Plus ProcessServer boxname stack buffer overflows via unterminated wide string c
CVE-2026-34527Sandboxie-Plus EditPassword hash entropy reduced from 160 bits to 80 bits due to incorrect
CVE-2026-34459Sandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawIn
CVE-2026-34464Sandboxie-Plus NamedPipeServer OpenHandler stack overflow via unterminated server field
CVE-2026-34461Sandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege esca

IV. Related Vulnerabilities

Same product: Sandboxie
Same vendor: sandboxie-plus
Same weakness: CWE-93

V. Comments for CVE-2026-34458

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