---
title: "CVE-2026-107212: Excelize - Denial of Service"
description: "Excelize 2.1.0 to 2.11.0 contains a denial of service caused by improper row number limit checks in Rows.Columns and Rows.Next, letting attackers consume CPU resources by crafted worksheets, exploit requires processing crafted Excel files."
url: https://panop.io/threat-heartbeat/CVE-2026-107212/
---

# CVE-2026-107212 Excelize - Denial of Service

Excelize 2.1.0 to 2.11.0 contains a denial of service caused by improper row number limit checks in Rows.Columns and Rows.Next, letting attackers consume CPU resources by crafted worksheets, exploit requires processing crafted Excel files.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107212)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

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

Published

7 October 2026

Updated

15 October 2026

Weakness

[CWE-770](https://cwe.mitre.org/data/definitions/770.html)

## Vendor fix

Update to the latest version once a fix is released.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107212](https://nvd.nist.gov/vuln/detail/CVE-2026-107212)
- [https://github.com/qax-os/excelize/commit/01a9ff32fb3c1f873cf01205e1b8a3285b0e1d23](https://github.com/qax-os/excelize/commit/01a9ff32fb3c1f873cf01205e1b8a3285b0e1d23)
- [https://github.com/qax-os/excelize/pull/2438](https://github.com/qax-os/excelize/pull/2438)
- [https://github.com/qax-os/excelize/security/advisories/GHSA-jw42-f3rr-4cc3](https://github.com/qax-os/excelize/security/advisories/GHSA-jw42-f3rr-4cc3)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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