CVE-2020-26894: LiveCode v9.6.1 on Windows allows local, low-privileged users to gain privileges by creating a malicious "cmd.

This month

HIGH 7.8DOWNGRADE

CVE-2020-26894 is a high-severity flaw (CVSS 7.8) affecting wildlife issues in the new millennium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LiveCode v9.6.1 on Windows allows local, low-privileged users to gain privileges by creating a malicious "cmd.exe" in the folder of the vulnerable LiveCode application. If the application is using LiveCode's "shell()" function, it will attempt to search for "cmd.exe" in the folder of the current application and run the malicious "cmd.exe".

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-427
Published	2020-10-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: faulknermedia

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

Am I affected?

Timeline

2020-10-08 21:15 UTCPublished CVE record published
2026-06-17 03:08 UTCUpdated Record last modified

faulknermedia wildlife issues in the new millennium DOWNGRADE

Affected: 18.0.160

Fixed in: no fixed release known

Safe to downgrade to: a release before 18.0.160

1. Check installed version

apt-cache policy wildlife-issues-in-the-new-millennium || rpm -q wildlife-issues-in-the-new-millennium || wildlife-issues-in-the-new-millennium --version

2. No fixed release: DOWNGRADE to a release before 18.0.160 (Debian / Ubuntu)

apt-cache madison wildlife-issues-in-the-new-millennium sudo apt install wildlife-issues-in-the-new-millennium=<VERSION_BEFORE_18.0.160> sudo apt-mark hold wildlife-issues-in-the-new-millennium

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

dnf --showduplicates list wildlife-issues-in-the-new-millennium sudo dnf downgrade wildlife-issues-in-the-new-millennium-<VERSION_BEFORE_18.0.160> sudo dnf versionlock add wildlife-issues-in-the-new-millennium

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-2020-26894?

wildlife issues in the new millennium: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-26894 being exploited?

CVE-2020-26894 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-2020-26894 affect?

CVE-2020-26894 affects wildlife issues in the new millennium. Severity is high (CVSS 7.8). LiveCode v9.6.1 on Windows allows local, low-privileged users to gain privileges by creating a malicious "cmd.exe" in the folder of the vulnerable LiveCode application. If the application is using LiveCode's "shell()" function, it will atte

How urgent is CVE-2020-26894?

Priority 42/100. High severity; Public exploit reference

Software pages

Windows vulnerabilities

References

← Back to latest CVEs