Vulnerability · Published Feb 16, 2026 · Assigned by mitre
CVE-2026-26930
High 7.2
In plain English
A high-severity cross-site scripting in SmarterMail from SmarterTools. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.3%top 73.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
SmarterTools SmarterMail before 9526 allows XSS via MAPI requests.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SmarterTools | SmarterMail | 0 – before 9526 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N