CVE-2026-49169
Use-after-free in DNS Server enabling authenticated remote code execution.
Is CVE-2026-49169 being exploited?
Not confirmed. CVE-2026-49169 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.75% probability of exploitation in the next 30 days.
How severe is CVE-2026-49169?
CVE-2026-49169 is rated High with a CVSS score of 8.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-49169?
Yes. A fix has been recorded for CVE-2026-49169. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-49169 affect?
CVE-2026-49169 affects DNS Server (vendor unspecified), DNS server software/daemons. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49169?
Restrict DNS admin access, apply vendor patch when available, add network ACLs and monitor logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can trigger a DNS server use-after-free to execute arbitrary code remotely, risking full system compromise.
Immediate action required
- affected>= 10.0.26100.0 and < 10.0.26100.33158
- affected>= 10.0.26100.0 and < 10.0.26100.33158
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.