CVE-2026-94054highCWE-787

CVE-2026-94054: high-severity vulnerability in Exim

Published · Updated

Follow this CVE+ Monitor Exim+ Monitor exim4

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7epss 0.3%
Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
Affected products
Exim · Exim
Related CVEs — Exim

In the same product, most dangerous first.

CVE-2025-26794HIGHCVE-2025-26794EPSS 77.6%CVE-2023-42114LOWExim NTLM Challenge Out-Of-Bounds Read Information Disclosure VulnerabilityEPSS 27.1%CVE-2023-42115CRITICALExim AUTH Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 12.2%CVE-2023-42117HIGHExim Improper Neutralization of Special Elements Remote Code Execution VulnerabilityEPSS 6.8%CVE-2023-42116HIGHExim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 3.8%CVE-2023-42119LOWExim dnsdb Out-Of-Bounds Read Information Disclosure VulnerabilityEPSS 1.6%