Affects Check Point Security Management (widely deployed); unauthenticated auth bypass allows full compromise of management infrastructure.
CVE-2026-18574
Auth bypass enables unauthenticated RCE on Check Point Security Management servers.
Is CVE-2026-18574 being exploited?
Not confirmed. CVE-2026-18574 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 0.99% probability of exploitation in the next 30 days.
How severe is CVE-2026-18574?
CVE-2026-18574 is rated Critical with a CVSS score of 9.3. 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-2026-18574?
Not known from our data. No patch reference has been recorded for CVE-2026-18574, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-18574 affect?
CVE-2026-18574 affects Check Point Security Management Server, Check Point Multi-Domain Security Management Server (MDS). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-18574?
Isolate management servers, restrict network access, harden access controls, and apply vendor patch immediately when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can execute arbitrary commands, fully compromise Security Management and control managed gateways.
Immediate action required
- affectedR82.10 with Jumbo Hotfix Accumulator Take 39 or below
- affectedR82 with Jumbo Hotfix Accumulator Take 121 or below
- affectedR81.20 with Jumbo Hotfix Accumulator Take 160 or below
- affectedR81.10
- affectedR81
- affectedR80.40
- affectedR80.30
- affectedR80.20
- affectedR80.10
- affectedR80
- affectedR82.10 with Jumbo Hotfix Accumulator Take 39 or below
- affectedR82 with Jumbo Hotfix Accumulator Take 121 or below
- affectedR81.20 with Jumbo Hotfix Accumulator Take 160 or below
- affectedR81.10
- affectedR81
- affectedR80.40
- affectedR80.30
- affectedR80.20
- affectedR80.10
- affectedR80
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.