CVE-2026-80115: PassMark Software PerformanceTest

PassMark PerformanceTest, BurnInTest, and OSForensics Kernel Crash via DirectIo64.sys MSR Write IOCTL

CVSS 6.9 MediumEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: VulnCheck) at 4 Sept 2026, 18:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
PassMark Software	PerformanceTest	affected before 11.1 build 1012 custom Other versions: affected
PassMark Software	BurnInTest	affected before 11.1 build 1000 custom Other versions: affected
PassMark Software	OSForensics	affected before 11.1 build 1016 custom Other versions: affected

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
6.1	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0015, the 4th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 4 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

www.passmark.com/products/performancetest/history.php release-notespatch
www.passmark.com/products/burnintest/history.php release-notespatch
www.osforensics.com/whats-new.html release-notespatch
dkom.dev/posts/directio64-disclosure/ technical-description
www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-kernel-crash-via-directio64-sys-msr-write-ioctl third-party-advisory
github.com/floppywiggler/directio64-disclosure technical-descriptionexploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.