CVE-2026-5787

Description

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates.

Overview

State: PUBLISHED
Assigner (CNA): ivanti
CVSS severity: HIGH
CVSS score: 8.9 / 10
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Effective score: 8.9 / 10 HIGH source: CNA overview
CWE(s): CWE-295
Reserved: 2026-04-08
Published: 2026-05-07 17:36 UTC
Last updated: 2026-05-08 05:55 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5787.json
Linked Threat: CVE-2026-5787 — CVE-2026-5787

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-05-07 16:16:22 UTC
NVD last modified: 2026-05-07 20:12:18 UTC
NVD CVSS v3.1: 8.9 / 10 HIGH source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Exploitability subscore: 2.2 / 10
Impact subscore: 6.0 / 10
EPSS score: 0.0006 (probability of exploitation in next 30 days)
EPSS percentile: 18.32% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-28394
Assigner: ivanti
Published: May 7, 2026, 3:36:41 PM
Updated: May 8, 2026, 3:55:49 AM
EUVD base score (CVSS 3.1): 8.9 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
EUVD-reported EPSS: 0.0600
Vendors: Ivanti
Products: Endpoint Manager Mobile (patch: 12.7.0.1)

Endpoint Manager Mobile (patch: 12.6.1.1)

Endpoint Manager Mobile (patch: 12.8.0.1)

ENISA description: An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates.

EUVD references (1)

https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs

Affected products (1)

Vendor	Product	Versions	Platforms
Ivanti	Endpoint Manager Mobile	`12.8.0.1` (unaffected), `12.7.0.1` (unaffected), `12.6.1.1` (unaffected)	—

Affected products — CPE 2.3 (3) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:ivanti:endpoint_manager_mobile:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:endpoint_manager_mobile:12.7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:endpoint_manager_mobile:12.8.0.0:*:*:*:*:*:*:*

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs

Web references (8)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

https://www.securityweek.com/ivanti-patches-epmm-zero-day-exploited-in-targeted-attacks/ tenable:www.securityweek.com
https://cyberscoop.com/ivanti-epmm-zero-day-vulnerability-exploited/ tenable:cyberscoop.com
https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs?language=en_US tenable:hub.ivanti.com
https://nvd.nist.gov/vuln/detail/CVE-2026-5787 tenable:nvd.nist.gov
https://thehackernews.com/2026/05/ivanti-epmm-cve-2026-6973-rce-under.html tenable:thehackernews.com
https://www.bleepingcomputer.com/news/security/ivanti-warns-of-new-epmm-flaw-exploited-in-zero-day-attacks/ tenable:www.bleepingcomputer.com
https://www.cve.org/CVERecord?id=CVE-2026-5787 tenable:www.cve.org
https://www.first.org/epss/ tenable:www.first.org

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 Vendor AdvisoryPatch

Indicators (3)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
ipv4	`12.6.1.1`	no local data	2026-05-18 21:18 UTC
ipv4	`12.7.0.1`	no local data	2026-05-18 21:18 UTC
ipv4	`12.8.0.1`	no local data	2026-05-18 21:18 UTC

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Zero-Day Threat Report May 2026 - CVEs, Exploits & Remediation ...

web:carthageelectronics.com

Status: Actively exploited — CISA KEV listed — patch by May 12, 2026 What Happened On April 28, 2026 , CISA added CVE - 2026 -32202 to its Known Exploited Vulnerabilities (KEV) catalog with a federal remediation deadline of May 12, 2026 . This vulnerability is the result of an incomplete patch Microsoft released in February for CVE - 2026 -21510.

2026-05-22 17:31 UTC
CVE-2026-5787: Improper Certificate Validation in Ivanti EPMM - What It ...

web:integsec.com

Compliance penalties add financial burden beyond remediation costs. Regulators increasingly expect organizations to patch critical vulnerabilities promptly. Failure to address CVE-2026-5787 could result in fines, required audit remediation , or mandatory breach notification expenses if exploitation occurs.

2026-05-22 17:31 UTC
Nvd - Cve-2026-5787

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-22 17:31 UTC
Addressing Exchange Server May 2026 vulnerability CVE-2026-42897

web:techcommunity.microsoft.com

We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.

2026-05-22 17:31 UTC
Ivanti warns of new EPMM flaw exploited in zero-day attacks

web:www.bleepingcomputer.com

Ivanti warned customers today to patch a high-severity remote code execution vulnerability in Endpoint Manager Mobile (EPMM) exploited in zero-day attacks.

2026-05-22 17:31 UTC
Critical Patches Issued for Microsoft Products, May 12, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-05-22 17:31 UTC
Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

web:www.forbes.com

Updated May 18: This article has been updated to include further details on the emergency mitigation process recommended by Microsoft after the CVE - 2026 -42897 Exchange Server zero-day was ...

2026-05-22 17:31 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 17:31 UTC
CVE-2026-5787 | Tenable®

web:www.tenable.com

An Improper Certificate Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to impersonate registered Sentry hosts and obtain valid CA-signed client certificates.

2026-05-22 17:31 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-22 17:31 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-5787.json.

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