CVE-2025-65842: The Aquarius HelperTool (1.0.003) privileged XPC service on macOS contains multiple flaws that allow local pri

Routine

MEDIUM 5.1WATCHLISTDOWNGRADE

CVE-2025-65842 is a medium-severity flaw (CVSS 5.1) affecting aquarius helpertool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Aquarius HelperTool (1.0.003) privileged XPC service on macOS contains multiple flaws that allow local privilege escalation. The service accepts XPC connections from any local process without validating the client's identity, and its authorization logic incorrectly calls AuthorizationCopyRights with a NULL reference, causing all authorization checks to succeed. The executeCommand:authorization:withReply: method then interpolates attacker-cont

Why this priority

Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.1 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-266
Published	2025-12-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: acustica-audio

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-03 17:15 UTCPublished CVE record published
2026-06-17 09:56 UTCUpdated Record last modified

acustica-audio aquarius helpertool DOWNGRADE

Affected: 1.0.003

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.003

1. Check installed version

apt-cache policy aquarius-helpertool || rpm -q aquarius-helpertool || aquarius-helpertool --version

2. No fixed release: DOWNGRADE to a release before 1.0.003 (Debian / Ubuntu)

apt-cache madison aquarius-helpertool sudo apt install aquarius-helpertool=<VERSION_BEFORE_1.0.003> sudo apt-mark hold aquarius-helpertool

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list aquarius-helpertool sudo dnf downgrade aquarius-helpertool-<VERSION_BEFORE_1.0.003> sudo dnf versionlock add aquarius-helpertool

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65842?

aquarius helpertool: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65842 being exploited?

CVE-2025-65842 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65842 affect?

CVE-2025-65842 affects aquarius helpertool. Severity is medium (CVSS 5.1). The Aquarius HelperTool (1.0.003) privileged XPC service on macOS contains multiple flaws that allow local privilege escalation. The service accepts XPC connections from any local process without validating the client's identity, and its au

How urgent is CVE-2025-65842?

Priority 29/100. Public exploit reference; On your watchlist

Software pages

macOS vulnerabilities

References

← Back to latest CVEs