# CVE-2026-83527 — Ivanti Sentry

> As of 2026-09-09, CVE-2026-83527 is a HIGH-severity vulnerability in Ivanti Sentry, CVSS v3.1 8.1, EPSS 1.8% (77.9th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-83527, most recently “Ivanti September 2026 Patch Batch: 10 CVEs Across EPMM, Neurons for ITSM, and Sentry (CVE-2026-12744/12745 Unauthenticated Deserialization RCE, CVE-2026-12645-12647 Missing Authorization RCE, CVE-2026-18851 EPMM Privilege Escalation, CVE-2026-83527 Sentry Auth Bypass)”.

**Last updated:** 2026-09-09

## What is CVE-2026-83527?

An Authentication Bypass vulnerability in Sentry before R10.8.2, R10.7.3 and R10.6.4 allows a remote unauthenticated attacker to gain administrative level access.

The record classifies CVE-2026-83527 under weakness class [CWE-288](https://intel.threadlinqs.com/cwe/CWE-288). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 44 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.1 — HIGH (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 1.8% probability of exploitation in the next 30 days, higher than 77.9% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-08, last modified 2026-09-09

## Is CVE-2026-83527 being exploited?

It currently carries a trending score of 46 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Ivanti](https://intel.threadlinqs.com/vendors/ivanti): Sentry

## How to fix CVE-2026-83527

No vendor patch reference has been recorded for CVE-2026-83527 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-2026-83527

1 tracked threat in the Threadlinqs corpus references CVE-2026-83527, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Ivanti September 2026 Patch Batch: 10 CVEs Across EPMM, Neurons for ITSM, and Sentry (CVE-2026-12744/12745 Unauthenticated Deserialization RCE, CVE-2026-12645-12647 Missing Authorization RCE, CVE-2026-18851 EPMM Privilege Escalation, CVE-2026-83527 Sentry Auth Bypass)](https://intel.threadlinqs.com/threat/TL-2026-2396) — CRITICAL · 2026-09-08

## Sources

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

**Other references**

- [forums.ivanti.com](https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Sentry-CVE-2026-83527)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-83527
Full detection coverage and IOCs for threats exploiting CVE-2026-83527 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp