Exploited vulnerabilities / CVE-2026-8398
Confirmed exploited · exploited vulnerability · Daemon Tools LiteCVE-2026-8398
Daemon Tools Lite exploited vulnerability, confirmed exploited in the wild.
Daemon Tools contains an unspecified vulnerability that has a high impact on confidentiality, integrity, and availability.
| CISA's name for it | Daemon Tools Lite Embedded Malicious Code Vulnerability |
|---|---|
| Vendor and product | Daemon · Daemon Tools Lite |
| Type | exploited vulnerability · CWE-506 |
| Exploited | Confirmed by CISA listed 27 May 2026 |
| Likelihood | scored lower by EPSS, but already confirmed exploited, which outranks any prediction |
| Deadline | 30 May 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | blog.daemon-tools.cc ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
|---|
Know before someone else finds it
Threat Landscape Monitoring fingerprints the software your internet-facing hosts disclose and matches it, every day, against this list and the exploitation scores. When a new entry touches something you run, you are told once, with the host and the fix. The free plan covers one domain.
CVE-2026-8398 in short
Is CVE-2026-8398 being exploited?
Yes. CISA added CVE-2026-8398 to its Known Exploited Vulnerabilities catalogue on 27 May 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2026-8398?
US federal agencies must remediate it by 30 May 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2026-8398 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 1.5%, the 73rd percentile of every CVE it scores.
How do I fix CVE-2026-8398?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.