# CVE-2026-59264: Apache OpenOffice Windows installer code execution

Source: https://junglewise.ai/threats/cve-2026-59264-the-windows-installers-of-apache-openoffice-4-1-16-and-earlier  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-04. Updated: 2026-11-04  
License: CC BY 4.0 with a link back

CVE-2026-59264 · Severity: info · Published 2026-11-04

Apache OpenOffice's Windows installer can run external code with elevated privileges if an attacker has already compromised the system prior to installation. This could allow an attacker who has gained initial access to a machine to escalate their privileges and maintain or expand their control.

Technologies: [Apache OpenOffice](https://junglewise.ai/threats/technologies/openoffice). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-59264 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-59264 being exploited in the wild.

**How severe is CVE-2026-59264?** Informational severity, published 4 November 2026.

**Which products and versions are affected?** Apache OpenOffice 4.1.16 and earlier.

**Is there a fix for CVE-2026-59264?** Yes: fixed in 4.1.17. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-59264 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-59264?** Check whether you run Apache OpenOffice at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 4.1.17

## Technical details

The Windows installer for Apache OpenOffice versions 4.1.16 and earlier contains a privilege escalation vulnerability that allows execution of arbitrary code with elevated access on an already-compromised system. The attack requires prior system compromise as a precondition. Upgrade to version 4.1.17 to remediate.

## Affected products

- Apache OpenOffice 4.1.16 and earlier

## Timeline

- 2026-11-04: disclosed

## References

- [https://lists.apache.org/thread.html/d4n33sjk8jgrr78jj5cq5r51fvxv6nnv](https://lists.apache.org/thread.html/d4n33sjk8jgrr78jj5cq5r51fvxv6nnv)

## Related threats

- [Apache OpenOffice heap buffer overflow in DXF parsing](https://junglewise.ai/threats/cve-2026-59267-a-crafted-dxf-document-causes-a-heap-buffer-overflow-in-draw-in)
- [Apache OpenOffice out-of-bounds memory write in PDF import](https://junglewise.ai/threats/cve-2026-90634-an-uncontrolled-memory-access-in-the-pdf-import-code-of-apache)
- [Apache OpenOffice file disclosure via GStreamer multimedia handling](https://junglewise.ai/threats/cve-2026-90632-apache-openoffice-documents-can-include-multimedia-content-audio)
- [Apache OpenOffice external link loading without authorization](https://junglewise.ai/threats/cve-2026-90631-apache-openoffice-documents-can-contain-links-a-missing)
- [Apache OpenOffice memory access violation in WMF import](https://junglewise.ai/threats/cve-2026-90629-an-uncontrolled-memory-access-in-the-wmf-import-code-of-apache)