What is the CVSS score of CVE-2023-26923?

CVE-2023-26923 has a CVSS 3.1 base score of 7.0 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-26923?

Yes, a public proof-of-concept exploit is available for CVE-2023-26923. Prioritise patching immediately. EPSS: 0.4%.

Musescore CVE-2023-26923

HIGH

Out-of-bounds Write (CWE-787)

2023-03-28 cve@mitre.org

Memory Corruption Buffer Overflow RCE Musescore

7.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.0 HIGH

AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 28, 2023 - 15:15 nvd

HIGH 7.0

DescriptionNVD

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker can execute arbitrary code.

AnalysisAI

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker can execute arbitrary code. Affected products include: Musescore.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).