CVE-2013-5026: An ActiveX control in lookout650.ocx, lookout660.ocx, and lookout670.ocx in National Instruments Lookout 6.5 t

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HIGH 9.3DOWNGRADE

CVE-2013-5026 is a high-severity flaw (CVSS 9.3) affecting lookout. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An ActiveX control in lookout650.ocx, lookout660.ocx, and lookout670.ocx in National Instruments Lookout 6.5 through 6.7 allows remote attackers to execute arbitrary code by triggering the download of, and calls to, an arbitrary DLL file.

Why this priority

Critical severity

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Published	2013-08-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ni

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

Am I affected?

Timeline

2013-08-06 20:55 UTCPublished CVE record published
2026-06-16 23:58 UTCUpdated Record last modified

ni lookout DOWNGRADE

Affected: 6.5 · 6.6 · 6.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.5 (Debian / Ubuntu)

apt-cache madison lookout sudo apt install lookout=<VERSION_BEFORE_6.5> sudo apt-mark hold lookout

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

dnf --showduplicates list lookout sudo dnf downgrade lookout-<VERSION_BEFORE_6.5> sudo dnf versionlock add lookout

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-2013-5026?

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

Is CVE-2013-5026 being exploited?

CVE-2013-5026 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-2013-5026 affect?

CVE-2013-5026 affects lookout. Severity is high (CVSS 9.3). An ActiveX control in lookout650.ocx, lookout660.ocx, and lookout670.ocx in National Instruments Lookout 6.5 through 6.7 allows remote attackers to execute arbitrary code by triggering the download of, and calls to, an arbitrary DLL file.

How urgent is CVE-2013-5026?

Priority 55/100. Critical severity

Related CVEs

CVE-2012-6336 LOW 3.3 MITIGATE The Missing Device feature in Lookout allows physically proximate attackers to provide arbitrary location data

References

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