What is the CVSS score of CVE-2026-24447?

CVE-2026-24447 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-24447?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

CVE-2026-24447

MEDIUM

Improper Neutralization of Formula Elements in a CSV File (CWE-1236)

2026-02-04 vultures@jpcert.or.jp

Code Injection

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 04, 2026 - 07:16 nvd

MEDIUM 6.5

DescriptionCVE.org

If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user's environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.

AnalysisAI

Malformed data processed by the affected product can be embedded in exported CSV files, which execute arbitrary code when opened by users due to improper input validation. Movable Type 7 and 8.4 series (both EOL) along with current versions are vulnerable to this code injection attack through user-initiated file downloads. An authenticated attacker can craft malicious input to compromise any user who downloads and opens the resulting CSV file.

Technical ContextAI

This vulnerability (CWE-1236: Improper Neutralization of Formula Elements in a CSV File) If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user's environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.