CVE-2019-1089: microsoft multiple
Vulnerability summary
CVE-2019-1089 is a high (CVSS 7.8) vulnerability in microsoft multiple. EPSS estimates a 4.91% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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'.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.91%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.91% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMicrosoft Windows 10 1903/1809 - RPCSS Activation Kernel Security Callback Privilege Escalation
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft9 products
- multipleMultiple
- windows_10na | 1607 | 1703 | 1709 | 1803 | 1809 | 1903
- windows_7na
- windows_8.1na
- windows_rt_8.1na
1 vendor · 9 products
References
2 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089X Refsource MISCPatchVendor Advisory