CVE-2007-2496: The WordOCX ActiveX control in WordViewer.ocx 3.2.0.5 allows remote attackers to cause a denial of service (In

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HIGH 7.8DOWNGRADE

CVE-2007-2496 is a high-severity flaw (CVSS 7.8) affecting word viewer ocx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WordOCX ActiveX control in WordViewer.ocx 3.2.0.5 allows remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) GotoPage, (6) Save, (7) SaveWebFile, (8) HttpDownloadFile, (9) Open, (10) OpenWebFile, (11) SaveAs, or (12) ShowWordStandardDialog property value.

Why this priority

High severity
EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Published	2007-05-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: office ocx

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

Am I affected?

Timeline

2007-05-04 00:19 UTCPublished CVE record published
2026-06-16 22:39 UTCUpdated Record last modified

office ocx word viewer ocx DOWNGRADE

Affected: 3.2.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.0.5

1. Check installed version

apt-cache policy word-viewer-ocx || rpm -q word-viewer-ocx || word-viewer-ocx --version

2. No fixed release: DOWNGRADE to a release before 3.2.0.5 (Debian / Ubuntu)

apt-cache madison word-viewer-ocx sudo apt install word-viewer-ocx=<VERSION_BEFORE_3.2.0.5> sudo apt-mark hold word-viewer-ocx

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

dnf --showduplicates list word-viewer-ocx sudo dnf downgrade word-viewer-ocx-<VERSION_BEFORE_3.2.0.5> sudo dnf versionlock add word-viewer-ocx

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Word Viewer OCX 3.2 - Remote Denial of Service

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-2007-2496?

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

Is CVE-2007-2496 being exploited?

CVE-2007-2496 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-2007-2496 affect?

CVE-2007-2496 affects word viewer ocx. Severity is high (CVSS 7.8). The WordOCX ActiveX control in WordViewer.ocx 3.2.0.5 allows remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) GotoPage, (6

How urgent is CVE-2007-2496?

Priority 55/100. High severity; EPSS top 10%: very likely to be exploited; Public exploit reference

Software pages

Internet Explorer vulnerabilities

References

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