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CVE-2022-46174: Race condition during concurrent TLS mounts in efs-utils

mediumCVSS 4.2CVE-2022-46174

CSIRTS triage

vendor: Amazonproduct: efs-utilsOther
What
A race condition occurs during concurrent TLS mounts in efs-utils.
Who is affected
Systems using efs-utils with concurrent TLS mount operations are affected.
Urgency
Medium severity; not currently exploited but race conditions can be difficult to trigger and verify in production.
Action
Update efs-utils to a patched version when available from Amazon.

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 4.2
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-46174

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-2022-46174coverage & exploitation statusNVD · CVE.org

Recent advisories for Race condition during

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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