CVE-2001-0944: DDE in mIRC allows local users to launch applications under another user's account via a DDE message that exec

Routine

HIGH 7.2MITIGATE

CVE-2001-0944 is a high-severity flaw (CVSS 7.2) affecting mirc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DDE in mIRC allows local users to launch applications under another user's account via a DDE message that executes a command, which may be executed by the other user's process.

Why this priority

High severity

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Published	2001-12-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: khaled mardam-bey

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

Am I affected?

Timeline

2001-12-02 05:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

khaled mardam-bey mirc MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2001-0944?

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

Is CVE-2001-0944 being exploited?

CVE-2001-0944 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-2001-0944 affect?

CVE-2001-0944 affects mirc. Severity is high (CVSS 7.2). DDE in mIRC allows local users to launch applications under another user's account via a DDE message that executes a command, which may be executed by the other user's process.

How urgent is CVE-2001-0944?

Priority 32/100. High severity

Related CVEs

CVE-2019-6453 HIGH 8.1 UPGRADE mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handl
CVE-2011-5282 MEDIUM 5.3 UPGRADE mIRC prior to 7.22 has a message leak because chopping of outbound messages is mishandled.
CVE-2008-7314 HIGH 7.5 UPGRADE mIRC before 6.35 allows attackers to cause a denial of service (crash) via a long nickname.
CVE-2008-4449 HIGH 9.3 DOWNGRADE Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname
CVE-2007-4402 MEDIUM 6.8 DOWNGRADE Multiple unspecified scripts in mIRC allow user-assisted remote attackers to execute arbitrary code via the '|

References

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