CVE-2006-6596: HyperAccess 8.4 allows user-assisted remote attackers to execute arbitrary vbscript and commands via a session

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MEDIUM 6.8DOWNGRADE

CVE-2006-6596 is a medium-severity flaw (CVSS 6.8) affecting hyperaccess. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HyperAccess 8.4 allows user-assisted remote attackers to execute arbitrary vbscript and commands via a session (HAW) file, which can be automatically opened using Internet Explorer.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2006-12-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hilgraeve

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-12-15 22:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

hilgraeve hyperaccess DOWNGRADE

Affected: 8.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.4

1. Check installed version

apt-cache policy hyperaccess || rpm -q hyperaccess || hyperaccess --version

2. No fixed release: DOWNGRADE to a release before 8.4 (Debian / Ubuntu)

apt-cache madison hyperaccess sudo apt install hyperaccess=<VERSION_BEFORE_8.4> sudo apt-mark hold hyperaccess

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

dnf --showduplicates list hyperaccess sudo dnf downgrade hyperaccess-<VERSION_BEFORE_8.4> sudo dnf versionlock add hyperaccess

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-2006-6596?

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

Is CVE-2006-6596 being exploited?

CVE-2006-6596 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-2006-6596 affect?

CVE-2006-6596 affects hyperaccess. Severity is medium (CVSS 6.8). HyperAccess 8.4 allows user-assisted remote attackers to execute arbitrary vbscript and commands via a session (HAW) file, which can be automatically opened using Internet Explorer.

How urgent is CVE-2006-6596?

Priority 41/100. No elevated risk signals yet.

Software pages

Internet Explorer vulnerabilities

Related CVEs

CVE-2006-6597 MEDIUM 6.8 DOWNGRADE Argument injection vulnerability in HyperAccess 8.4 allows user-assisted remote attackers to execute arbitrary

References

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