What is CVE-2021-26618?

CVE-2021-26618 is a high-severity vulnerability in Microsoft Windows, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2022-02-18.

How severe is CVE-2021-26618?

High severity. CVSS v3 base score is 7.1 out of 10.

Improper input validation in Microsoft Windows

CVE-2021-26618

An improper input validation leading to arbitrary file creation was discovered in ToWord of ToOffice. Remote attackers use this vulnerability to execute arbitrary file included malicious code.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (59.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Microsoft Windows
Tmax Tooffice
Tmaxsoft Co., Ltd Tooffice — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

vuln@krcert.or.kr (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-26618?: CVE-2021-26618 is a high-severity vulnerability in Microsoft Windows, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2022-02-18.
How severe is CVE-2021-26618?: High severity. CVSS v3 base score is 7.1 out of 10.