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CVE-2026-49170: Windows StateRepository API Server file Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-49170
Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoftproduct: Windows StateRepository APIPrivilege escalation
What
An authorized attacker can elevate privileges locally due to insufficient access control granularity.
Who is affected
Authorized users of Windows StateRepository API.
Urgency
Remediation is urgent due to the high severity of the vulnerability.
Action
Install the latest updates for Windows StateRepository API.

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
high — CVSS 7.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49170

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-2026-49170coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Windows StateRepository API

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.

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