XSS in Microsoft Windows 10

CVE-2017-0055

Microsoft Internet Information Server (IIS) in Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to perform cross-site scripting and run script with local user privileges via a crafted request, aka "Microsoft IIS Server XSS Elevation of Privilege Vulnerability."

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.164 (96.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-0055?
CVE-2017-0055 is a medium-severity vulnerability in Microsoft Windows 10, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-17.
How severe is CVE-2017-0055?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-0055 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.