CVE-2026-56711
VLC media player 3.0.0 through 3.0.23 memory corruption vulnerability
No known exploitation. EPSS puts it in the 3rd percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
Steps
Written by AI from the record- Check whether VLC media player is installed and identify its version.
- If it is 3.0.0 through 3.0.23, tell staff not to open unexpected media files with VLC.
- No fixed version has been published; ask your software vendor or IT provider to track and deploy the vendor’s update when available.
- Remove or isolate suspicious media attachments and downloads before users open them.
What it is
From the CVE record
VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process.
In plain language
Written by AI from the recordVLC media player 3.0.0 through 3.0.23 can be crashed or taken over if someone opens a malicious media file, so small businesses should treat unexpected media files as unsafe until a fix is available.
A high-severity local memory-corruption flaw (CWE-190/CWE-787) in VLC’s processing of crafted media files may cause application termination or code execution in the VLC process context.
If you're affected
- Computer takeover risk
- VLC application crashes
- Work disruption
- Data access risk
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 3rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 9 days, from the signal feeds we watch.
- Record updated
- Record updated
- OpenVAS check added
- Publishedweakness classified, att&ck mapped, record updated, record updated
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Scored 7.0 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
In the news
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