01 Record
CVE-2026-54525
Markdown Preview Enhanced: One Click RCE via Markdown Link Command Injection on Windows
HighPUBLISHEDCNA: GitHub_M
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
02 Description
Markdown Preview Enhanced: One Click RCE via Markdown Link Command Injection on Windows
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.8% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-14 19:06Z15 DAYS AGO
- Last updated
- 2026-10-15 15:05Z14 DAYS AGO
- Reserved
- 2026-06-15
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.2
- Document digest
- dc13fe453f5d58a4623769c7d94ab7eeb83a1c3753151cb8f1f7b3378693d41d
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/shd101wyy/vscode-markdown-preview-enhanced/security/advisories/GHSA-7v6f-3vq6-r373
- github.comhttps://github.com/shd101wyy/crossnote/pull/442
- github.comhttps://github.com/shd101wyy/vscode-markdown-preview-enhanced/pull/2318
- github.comhttps://github.com/shd101wyy/crossnote/commit/5588ca2121c3da43fe331575dc5cf4ef347b91ee
- github.comhttps://github.com/shd101wyy/vscode-markdown-preview-enhanced/commit/dcd80281c986293b93d9f1af34ced64dcb230c77
- github.comhttps://github.com/shd101wyy/crossnote/releases/tag/0.9.29
- github.comhttps://github.com/shd101wyy/vscode-markdown-preview-enhanced/releases/tag/0.8.28