PatchTheCVECVE-2021-26618: An improper input validation leading to arbitrary file creation was discovered in ToWord of ToOffice
CVE-2021-26618 is a high-severity flaw (CVSS 7.1) affecting tooffice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.1 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.0% (top 37%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2022-02-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-26618?
tooffice: upgrade to 3.15.6. Exact commands for each OS are on this page.
Is CVE-2021-26618 being exploited?
CVE-2021-26618 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-26618 affect?
CVE-2021-26618 affects tooffice. Severity is high (CVSS 7.1). 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.
How urgent is CVE-2021-26618?
Priority 41/100. High severity