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CVE-2026-18851 is a high-severity missing-authorization vulnerability in Ivanti Endpoint Manager Mobile (EPMM, also known as EPMM Core). Insufficient authorization enforcement permits a remotely connected authenticated user to elevate their privileges to the EPMM administrator role. The issue affects EPMM builds before 12.10.0.0, the 12.9.x branch through 12.9.0.1, and the 12.8.x branch through 12.8.0.3.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity vulnerability in Ivanti Endpoint Manager Mobile that permits remote attackers to gain administrator privileges; the precise attack path was not disclosed.
High-severity authentication-bypass vulnerability in Ivanti Endpoint Manager Mobile that requires authentication for exploitation.
A vulnerability affecting Ivanti Endpoint Manager Mobile in versions preceding the listed fixed releases.
A vulnerability affecting Ivanti Endpoint Manager Mobile in versions earlier than the listed fixed releases.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.