CVE-2015-2502KEV · OVERDUE

Microsoft Internet Explorer Memory Corruption Vulnerability

High · published August 19, 2015

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 98.9th percentile for exploit probability.

1632
days past CISA
deadline
CVSS v3.1
8.8
EPSS
51%
Percentile
98.9
In the wild
Confirmed
What it is

⚡ A crafted website could let attackers dive right into your system! This Memory Corruption Vulnerability in Internet Explorer spans versions 7 through 11 and has been exploited in the wild! 🔥 Think of it like a poorly designed amusement park ride that malfunctions — when unsuspecting visitors hop on, they could plunge into a hidden pit instead of enjoying the thrill. That's exactly what this vulnerability allows: an attacker can send you on a dangerous detour through your own device's memory! If exploited, an attacker could execute arbitrary code, enabling them to take complete control of your system or trigger a denial of service, causing your browser to crash unexpectedly. This could lead to data loss, unauthorized access, and a whole lot of frustration!

Put simply

Think of it like a poorly designed amusement park ride that malfunctions — when unsuspecting visitors hop on, they could plunge into a hidden pit instead of enjoying the thrill. That's exactly what this vulnerability allows: an attacker can send you on a dangerous detour through your own device's memory! This vulnerability arises from memory corruption in Internet Explorer, allowing an attacker to execute malicious code by tricking the user into visiting a specially crafted web page. This can result in unauthorized operations on the affected system.

What to do

If exploited, an attacker could execute arbitrary code, enabling them to take complete control of your system or trigger a denial of service, causing your browser to crash unexpectedly. This could lead to data loss, unauthorized access, and a whole lot of frustration! To protect yourself, immediately upgrade Internet Explorer to a version that is not affected. Microsoft has released patches to address this vulnerability, so ensure your system is fully up to date. Additionally, consider implementing browser security practices, such as using an alternative browser for sensitive activities. 🛡️ You've got this! By taking these steps, you'll fortify your defenses against this exploit and ensure a safer browsing experience. 🚀

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.51001 · 98.9th percentile
Published
2015-08-19T10:00Z
KEV added
2022-04-13 · due 2022-05-04
EPSS history
Timeline
  • 24 AUG 22:57Z
    EPSS moved 39% → 51%
    epss
  • 13 APR 00:00Z
    Added to CISA KEV — remediate by May 4
    kev
  • 19 AUG 10:00Z
    Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web…
    cvelistv5