CVE-2019-1365

high-risk
Published 2019-10-10

An elevation of privilege vulnerability exists when Microsoft IIS Server fails to check the length of a buffer prior to copying memory to it.An attacker who successfully exploited this vulnerability can allow an unprivileged function ran by the user to execute code in the context of NT AUTHORITY\system escaping the Sandbox.The security update addresses the vulnerability by correcting how Microsoft IIS Server sanitizes web requests., aka 'Microsoft IIS Server Elevation of Privilege Vulnerability'.

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.9/10 Critical
NETWORK / LOW complexity

Affected Products (16)

Affected Vendors

Microsoft

References (2)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1365
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1365
56
/ 100
high-risk
Severity 33/34 · Critical
Exploitability 5/34 · Minimal
Exposure 18/34 · Moderate