CVE-2026-48840
A remote, anonymous attacker can exploit a vulnerability in Exim to disclose information.
CSIRTS triage
- What
- A vulnerability in Exim allows a remote, anonymous attacker to disclose information.
- Who is affected
- Deployments of Exim are affected.
- Urgency
- Remediation is medium urgency as exploitation is not currently active but the vulnerability exists.
- Action
- Update to the latest version of Exim to mitigate the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Exim: Vulnerability allows information disclosurecert-bund · 2026-07-28
External references
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[](https://www.csirts.com/cve/CVE-2026-48840)