# CVE-2026-119881: Microsoft XPS Document Converter heap overflow

Source: https://junglewise.ai/threats/cve-2026-119881-heap-based-buffer-overflow-in-microsoft-xps-document-converter  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-119881 · Severity: high · CVSS 8.8 · Published 2026-11-10

Microsoft XPS Document Converter contains a heap-based buffer overflow vulnerability that could allow an attacker to execute code and escalate privileges on an affected system. An attacker could exploit this remotely to gain elevated access, potentially compromising sensitive data or system integrity on machines running the vulnerable software.

Technologies: [Microsoft XPS Document Converter](https://junglewise.ai/threats/technologies/xps-document-converter). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-119881 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119881 being exploited in the wild.

**How severe is CVE-2026-119881?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft XPS Document Converter.

**Is there a fix for CVE-2026-119881?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-119881 attacked?** It is in a software library.

**Am I affected by CVE-2026-119881?** Check whether you run Microsoft XPS Document Converter. 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.

## Technical details

A heap-based buffer overflow exists in Microsoft XPS Document Converter that enables privilege escalation via network attack. The vulnerability allows an unauthorized attacker to overflow heap memory during document processing, leading to code execution and privilege elevation on affected systems.

## Affected products

- Microsoft XPS Document Converter

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119881](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119881)

## Related threats

- [Microsoft XPS Document Converter heap buffer overflow](https://junglewise.ai/threats/cve-2026-122171-heap-based-buffer-overflow-in-microsoft-xps-document-converter)
- [Microsoft XPS Document Converter heap buffer overflow](https://junglewise.ai/threats/cve-2026-119880-heap-based-buffer-overflow-in-microsoft-xps-document-converter)