Affects ServiceNow AI platform; unauthenticated RCE in a widely-used enterprise product; high risk across orgs.
CVE-2026-0542
Unauthenticated RCE in ServiceNow AI platform sandbox.
Is CVE-2026-0542 being exploited?
Not confirmed. CVE-2026-0542 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 0.62% probability of exploitation in the next 30 days.
How severe is CVE-2026-0542?
CVE-2026-0542 is rated Critical with a CVSS score of 9.2. 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-2026-0542?
Yes. A fix has been recorded for CVE-2026-0542. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-0542 affect?
CVE-2026-0542 affects ServiceNow AI Platform, Hosted ServiceNow Instances, Self-Hosted ServiceNow. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-0542?
Patch now; upgrade to patched version
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can execute code in the ServiceNow Sandbox, potentially full instance compromise.
Patch when possible
- affected< Australia
- affected< Zurich Patch 5
- affected< Zurich Patch 4 Hot Fix 3b
- affected< Yokohama Patch 12
- affected< Yokohama Patch 10 Hot Fix 1b
- affected< Xanadu Patch 11 Hot Fix 1a
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.