CVE-2025-65716: An issue in Visual Studio Code Extensions Markdown Preview Enhanced v0.8.18 allows attackers to execute arbitr

This month

HIGH 8.8DOWNGRADE

CVE-2025-65716 is a high-severity flaw (CVSS 8.8) affecting markdown preview enhanced. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in Visual Studio Code Extensions Markdown Preview Enhanced v0.8.18 allows attackers to execute arbitrary code via uploading a crafted .Md file.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-02-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: shd101wyy

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

Am I affected?

Timeline

2026-02-16 16:19 UTCPublished CVE record published
2026-06-17 09:55 UTCUpdated Record last modified

shd101wyy markdown preview enhanced DOWNGRADE

Affected: >= 0.8.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.18

1. Check installed version

apt-cache policy markdown-preview-enhanced || rpm -q markdown-preview-enhanced || markdown-preview-enhanced --version

2. No fixed release: DOWNGRADE to a release before 0.8.18 (Debian / Ubuntu)

apt-cache madison markdown-preview-enhanced sudo apt install markdown-preview-enhanced=<VERSION_BEFORE_0.8.18> sudo apt-mark hold markdown-preview-enhanced

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

dnf --showduplicates list markdown-preview-enhanced sudo dnf downgrade markdown-preview-enhanced-<VERSION_BEFORE_0.8.18> sudo dnf versionlock add markdown-preview-enhanced

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-2025-65716?

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

Is CVE-2025-65716 being exploited?

CVE-2025-65716 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-2025-65716 affect?

CVE-2025-65716 affects markdown preview enhanced. Severity is high (CVSS 8.8). An issue in Visual Studio Code Extensions Markdown Preview Enhanced v0.8.18 allows attackers to execute arbitrary code via uploading a crafted .Md file.

How urgent is CVE-2025-65716?

Priority 50/100. High severity; Public exploit reference

Software pages

Visual Studio vulnerabilities

References

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