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CVE-2026-6958— Acunetix 25.11.251107123 Local Privilege Escalation via wvsc.exe

Quick assessment

Affected
Invicti Security Corp. Acunetix
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.

Acunetix 25.11.251107123 for Windows 中存在一个本地权限提升漏洞，位于 Web 漏洞扫描引擎（wvsc.exe）中。该漏洞源于 OpenSSL 相关文件的硬编码目录路径缺失。低权限本地攻击者可以创建该缺失目录，在预期路径处放置恶意文件，从而诱导以 SYSTEM 权限运行的 wvsc.exe 进程加载并执行该文件，进而实现完全的权限提升（即获得 SYSTEM 权限）。

CVSS 7.8 · High EPSS 0.14% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
Invicti Security Corp. Acunetix 25.11.251107123 affected
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I. Basic Information for CVE-2026-6958

Vulnerability Information
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Vulnerability Title
Acunetix 25.11.251107123 Local Privilege Escalation via wvsc.exe
Source: CVE Program / CVE List V5
Vulnerability Description
Acunetix 25.11.251107123 for Windows contains a local privilege escalation vulnerability in the Web Vulnerability Scanning Engine (wvsc.exe) that allows low-privileged local attackers to execute arbitrary code as SYSTEM by exploiting a missing hardcoded directory path for OpenSSL-related files. Attackers can create the missing directory, place a malicious file at the expected path, and cause the SYSTEM-level wvsc.exe process to load and execute it, resulting in full privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Invicti Security Corp. Acunetix 25.11.251107123 -

II. Public POCs for CVE-2026-6958

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III. Intelligence Information for CVE-2026-6958

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Vendor Advisories for CVE-2026-6958 (1)

Proof of Concept for CVE-2026-6958 (1)

Mailing List Discussions for CVE-2026-6958 (1)

IV. Related Vulnerabilities

Same weakness: CWE-427

V. Comments for CVE-2026-6958

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