# CVE-2026-68891: Microsoft Standard XPS out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-68891-microsoft-standard-xps-out-of-bounds-read  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-68891 · Severity: medium · CVSS 4.7 · Published 2026-09-08

Microsoft Standard XPS is a document format handler used to process and display XML-based page specification files. An attacker with local system access could exploit an out-of-bounds read vulnerability to extract sensitive information from the application's memory, potentially exposing passwords, encryption keys, or other confidential data.

Technologies: [Microsoft Standard XPS](https://junglewise.ai/threats/technologies/standard-xps). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-68891 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-68891 being exploited in the wild.

**How severe is CVE-2026-68891?** Medium severity, with a CVSS score of 4.7, published 8 September 2026.

**Which products and versions are affected?** Microsoft Standard XPS <UNKNOWN>.

**Is there a fix for CVE-2026-68891?** 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-2026-68891 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-68891?** Check whether you run Microsoft Standard XPS 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.

## Technical details

The vulnerability is an out-of-bounds read in Microsoft Standard XPS, a component that handles XPS document parsing and rendering. The flaw allows an authorized local attacker to read memory beyond intended buffer boundaries, potentially disclosing sensitive information. The attack requires local access and authorization to access the affected component. No evidence of active exploitation has been reported. Patches are available from Microsoft.

## Affected products

- Microsoft Standard XPS <UNKNOWN>

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68891](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68891)

## Related threats

- [Microsoft Standard XPS integer underflow](https://junglewise.ai/threats/cve-2026-69824-microsoft-standard-xps-integer-underflow)
- [Microsoft Standard XPS out-of-bounds read](https://junglewise.ai/threats/cve-2026-69376-microsoft-standard-xps-out-of-bounds-read)
- [Microsoft Standard XPS out-of-bounds read](https://junglewise.ai/threats/cve-2026-69367-microsoft-standard-xps-out-of-bounds-read)
- [Microsoft Standard XPS out-of-bounds read](https://junglewise.ai/threats/cve-2026-69345-microsoft-standard-xps-out-of-bounds-read)
- [Microsoft Standard XPS heap buffer overflow](https://junglewise.ai/threats/cve-2026-69336-microsoft-standard-xps-heap-buffer-overflow)