CVE-2016-3351KEV · OVERDUE

Microsoft Internet Explorer and Edge Information Disclosure Vulnerability

Medium · published September 14, 2016

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 6.5. It is confirmed in active exploitation. It sits in the 98.0th percentile for exploit probability.

1591
days past CISA
deadline
CVSS v3.1
6.5
EPSS
26%
Percentile
98.0
In the wild
Confirmed
What it is

⚠️ A crafted website could spill the beans! Microsoft IE 9-11 and Edge are letting attackers sneak a peek at sensitive information without breaking a sweat. 🌐 Think of it as a restaurant that mistakenly hands out the order slips to anyone asking for them. A malicious site can scoop up sensitive data like a diner swiping receipts from your table! This vulnerability could allow attackers to extract personal information from unsuspecting users, leading to privacy breaches that can have serious consequences. With just a cleverly crafted web page, your data could be at risk, exposing you to potential identity theft or account compromise.

Put simply

Think of it as a restaurant that mistakenly hands out the order slips to anyone asking for them. A malicious site can scoop up sensitive data like a diner swiping receipts from your table! The 'Microsoft Browser Information Disclosure Vulnerability' allows unauthorized access to sensitive data by exploiting flaws in Internet Explorer and Edge, specifically targeting how these browsers handle certain requests. This means attackers can harvest information without the user's consent or knowledge.

What to do

This vulnerability could allow attackers to extract personal information from unsuspecting users, leading to privacy breaches that can have serious consequences. With just a cleverly crafted web page, your data could be at risk, exposing you to potential identity theft or account compromise. To safeguard your systems, ensure users upgrade to a more secure browser version and educate them on recognizing suspicious websites. Additionally, consider applying security settings that limit exposure to potentially harmful sites while browsing. You can tackle this! Keep your browsers updated and educate users on safe browsing practices to lock this vulnerability down. 🛡️

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.26483 · 98.0th percentile
Published
2016-09-14T14:59Z
KEV added
2022-05-24 · due 2022-06-14
Affected products (4)
ProductVersionsFixed in
microsoft/internet_explorerall versions—
microsoft/internet_explorerall versions—
microsoft/internet_explorerall versions—
microsoft/edgeall versions—
References (13)
EPSS history
Timeline
  • 24 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 14
    kev
  • 14 SEP 10:00Z
    Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to obtain sensitive information via a crafted web site, aka "Microsoft…
    cvelistv5