CVE-2026-38752: A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.

lowCVSS 2.9CVE-2026-38752

CSIRTS triage

vendor: Busybox product: Busybox Denial of serviceaffected: commit 371fe9

What: A stack overflow vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted AWK script.
Who is affected: Deployments of Busybox at commit 371fe9.
Urgency: Remediation is low urgency as the severity is lower and exploitation is not currently active.
Action: Upgrade to a patched version of Busybox.

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: low — CVSS 2.9
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-38752

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.

Low exploitation riskCVE-2026-387520.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-38752	coverage & exploitation status	NVD · CVE.org

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