# CVE-2026-74820 — ServiceNow AI Platform

> As of 2026-08-29, CVE-2026-74820 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in ServiceNow AI Platform, CVSS v4.0 10, EPSS 0.4% (34.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-74820, most recently “ServiceNow Patches Four Critical Flaws Including Three CVSS 10.0 Unauthenticated RCE/SQLi Bugs (CVE-2026-18885, CVE-2026-18886, CVE-2026-74820, CVE-2026-6876)”.

**Last updated:** 2026-08-29

## What is CVE-2026-74820?

ServiceNow has remediated a SQL injection vulnerability that was identified in in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to execute arbitrary SQL statements against the instance's underlying database and gain access to, or modify, instance data beyond what was intended. ServiceNow deployed a security update to hosted instances and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of malicious exploitation against ServiceNow instances. We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.

The record classifies CVE-2026-74820 under weakness class [CWE-89](https://intel.threadlinqs.com/cwe/CWE-89). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 57 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 10 — Critical (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 34.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-27, last modified 2026-08-29

## Is CVE-2026-74820 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [ServiceNow](https://intel.threadlinqs.com/vendors/servicenow): AI Platform

## How to fix CVE-2026-74820

No vendor patch reference has been recorded for CVE-2026-74820 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-74820

1 tracked threat in the Threadlinqs corpus references CVE-2026-74820, either in the campaign’s CVE list or as an indicator on the campaign record.

- [ServiceNow Patches Four Critical Flaws Including Three CVSS 10.0 Unauthenticated RCE/SQLi Bugs (CVE-2026-18885, CVE-2026-18886, CVE-2026-74820, CVE-2026-6876)](https://intel.threadlinqs.com/threat/TL-2026-2195) — CRITICAL · 2026-08-28

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [support.servicenow.com](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3152242)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-74820
Full detection coverage and IOCs for threats exploiting CVE-2026-74820 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp