CVE-2026-86857Network attack vector

Authenticated access to unauthorized platform data

Published Sep 24, 2026 · Updated Sep 24, 2026

Authorization bypass in ServiceNow AI Platform allows remote authenticated users to access data outside their entitlements. ServiceNow has not disclosed the affected authorization-check locus or how a request causes the platform to omit or misapply that check. Exploitation requires a valid account; the demonstrated consequence is unauthorized data access, while any further access remains unspecified.

CVSS severityUnavailable
Unscored
EPSS probability0.24%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in ServiceNow AI Platform allows remote authenticated users to access data outside their entitlements. ServiceNow has not disclosed the affected authorization-check locus or how a request causes the platform to omit or misapply that check. Exploitation requires a valid account; the demonstrated consequence is unauthorized data access, while any further access remains unspecified.

The record

CVE
CVE-2026-86857
Published
Sep 24, 2026
Updated
Sep 24, 2026
Vendor
ServiceNow
Product
ServiceNow AI Platform
Classifications
T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <Australia Patch 2 Hot Fix 4b W32
  2. Affected versionversion=0 <Australia Patch 4 Hot Fix 3
  3. Affected versionversion=0 <Australia Patch 5
  4. Affected versionversion=0 <Yokohama Patch 13 Hot Fix 5a
  5. Affected versionversion=0 <Zurich Patch 10 Hot Fix 3b
  6. Affected versionversion=0 <Zurich Patch 10 Hot Fix 4a W32
  7. Affected versionversion=0 <Zurich Patch 11 Hot Fix 3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ServiceNow · ServiceNow AI Platformversion=0 <Australia Patch 2 Hot Fix 4b W32; version=0 <Australia Patch 4 Hot Fix 3; version=0 <Australia Patch 5; version=0 <Yokohama Patch 13 Hot Fix 5a; version=0 <Zurich Patch 10 Hot Fix 3b; version=0 <Zurich Patch 10 Hot Fix 4a W32; version=0 <Zurich Patch 11 Hot Fix 3

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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