Vulnerability · Published Sep 22, 2026 · Assigned by certcc
CVE-2026-89282CVE-2026-89282
Critical 9.1
In plain English
A critical-severity incorrect permission assignment in Apache Lounge Windows from Apache HTTP Server Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 58.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
The Apache Lounge Windows distribution of Apache HTTP Server build contains an insecure installation directory permissions vulnerability through its default install directory on C:\, which inherits write access for Authenticated Users.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache HTTP Server Project | Apache Lounge Windows | 0 – before Apache 2.4.68-260920 Win64 |
Weakness: CWE-732 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N