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CVE-2026-49168: Storage Spaces Direct Elevation of Privilege Vulnerability

mediumCVSS 6.8CVE-2026-49168
Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.

CSIRTS triage

vendor: Microsoftproduct: Windows Storage Spaces DirectPrivilege escalation
What
Integer overflow allows unauthorized attackers to elevate privileges with physical access.
Who is affected
Deployments using Windows Storage Spaces Direct.
Urgency
Remediation is important due to the potential for privilege escalation with physical access.
Action
Apply the latest security updates for Windows Storage Spaces Direct.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49168

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-49168coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Storage Spaces Direct

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center