CVE-2026-42923
An attacker can exploit multiple vulnerabilities in Unbound to cause a denial of service state, potentially execute code, and cause unspecified impacts.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to cause a denial of service state, potentially execute code, and cause unspecified impacts.
- Who is affected
- Deployments of Unbound are affected by these vulnerabilities.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities, although they have not been exploited yet.
- Action
- Update Unbound to the latest version to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-42923
Get an email if CVE-2026-42923 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.
Advisory coverage (1)
- high[UPDATE] [high] Unbound: Multiple vulnerabilitiescert-bund · 2026-07-10
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-42923)