Medium [CVE-2026-78043] Privilege Escalation via Arbitrary Configuration File Loading
This medium-severity Red Hat Linux advisory covers CVE-2026-78043.
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Summary
A flaw was found in OpenVPN. The Windows Interactive Service allows local authenticated users to bypass security restrictions and load unauthorized configuration files.
By crafting special paths, an attacker can manipulate the service's configuration, potentially leading to privilege escalation. This can lead to privilege escalation on Windows systems.
Red Hat's OpenVPN packages for Linux-based environments are not directly affected by this vulnerability. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).
Weakness: CWE-22.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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