Improper input validation in Microsoft Edge
CVE-2017-8555
Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to trick a user into loading a page with malicious content when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability". This CVE ID is unique from CVE-2017-8523 and CVE-2017-8530.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.125 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.125 · newest: 0.125 · change: 0.000
Affected products
- Microsoft Edge
- Microsoft Windows 10 — versions 1703
- Microsoft Corporation Edge — versions Microsoft Windows 10 1703.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/98956 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8555 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-8555?
- CVE-2017-8555 is a medium-severity vulnerability in Microsoft Edge, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2017-06-15.
- How severe is CVE-2017-8555?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2017-8555 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.