HIGH

CVE-2019-1089

CVSS v3

7.8

HIGH

EPSS Score

4.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-1089 yet.

Full record on NVD

Description

An elevation of privilege vulnerability exists in rpcss.dll when the RPC service Activation Kernel improperly handles an RPC request. To exploit this vulnerability, a low level authenticated attacker could run a specially crafted application. The security update addresses this vulnerability by correcting how rpcss.dll handles these requests., aka 'Windows RPCSS Elevation of Privilege Vulnerability'.

Technical details

Published: 2019-07-15
Exploit-DB: EDB-47135

Frequently asked questions

What is CVE-2019-1089?

Is CVE-2019-1089 actively exploited?

Active exploitation of CVE-2019-1089 has not been confirmed. Its EPSS score was 4.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-1089?

CVE-2019-1089 has a CVSS v3 base score of 7.8 (HIGH severity).

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