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CVE-2026-73078— Vim: Arbitrary Code Execution via Netrw Menu Construction

Quick assessment

Affected
vim vim
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vim是Vim组织开源的一款高效的文本编辑器。 Vim 9.2.0840之前版本存在安全漏洞，该漏洞源于netrw插件构造菜单时未正确中和命令分隔符或单引号，攻击者可通过特制路径执行任意Ex和操作系统命令。

CVSS 8.6 · High EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
vim vim < 9.2.0840 affected
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I. Basic Information for CVE-2026-73078

Vulnerability Information
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Vulnerability Title
Vim: Arbitrary Code Execution via Netrw Menu Construction
Source: CVE Program / CVE List V5
Vulnerability Description
Vim is an open source, command line text editor. Prior to 9.2.0840, runtime/plugin/netrwPlugin.vim loads netrw and runtime/pack/dist/opt/netrw/autoload/netrw.vim constructs Bookmarks, History, and Targets menu entries by interpolating attacker-controlled directory paths into executed :menu commands. s:NetrwBookmarkMenu(), s:NetrwTgtMenu(), g:netrw_menu_escape, EX_TRLBAR, and netrw#MakeTgt() fail to neutralize the | command separator or single quotes at five construction sites, allowing a crafted path browsed or bookmarked in GUI Vim to execute arbitrary Ex and operating-system commands. This issue is fixed in version 9.2.0840.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是Vim组织开源的一款高效的文本编辑器。 Vim 9.2.0840之前版本存在安全漏洞，该漏洞源于netrw插件构造菜单时未正确中和命令分隔符或单引号，攻击者可通过特制路径执行任意Ex和操作系统命令。
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
vim vim < 9.2.0840 -

II. Public POCs for CVE-2026-73078

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8049 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-73078

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Patches & Fixes for CVE-2026-73078 (1)

Vendor Advisories for CVE-2026-73078 (1)

Same Patch Batch · vim · 2026-08-11 · 8 CVEs total

CVE-2026-73072 8.5 HIGH Vim: Heap Buffer Overflow when Loading a Spell File
CVE-2026-73076 8.4 HIGH Vim: Arbitrary Command Execution via Malicious `.VimballRecord` Entry Replay in `vimball.v
CVE-2026-73077 8.4 HIGH Vim: Arbitrary Code Execution via Shell Keyword Lookup
CVE-2026-73074 7.1 HIGH Vim: Heap Buffer Overflow in Text Property Handling
CVE-2026-73070 6.8 MEDIUM Vim: Stack Buffer Overflow in the Vim Socket Server
CVE-2026-73075 4.6 MEDIUM Vim: Out-of-bounds Access in Popup Opacity Handling
CVE-2026-73071 3.3 LOW Vim: Use-after-free in JSON Decoding

IV. Related Vulnerabilities

Same product: vim
Same vendor: vim
Same weakness: CWE-77

V. Comments for CVE-2026-73078

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