Microsoft · Internet Explorer
CVE-2015-2502
Microsoft Internet Explorer Memory Corruption Vulnerability
What it is
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 site, aka "Memory Corruption Vulnerability," as exploited in the wild in August 2015.
CISA: Microsoft Internet Explorer contains a memory corruption vulnerability that allows an attacker to execute code or cause a denial-of-service (DoS).
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 4, 2022
- Added to the CISA list
- April 13, 2022
- Published
- August 19, 2015
- Severity
- High 8.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 51% in the top 1.1% of all known vulnerabilities
- Weakness
- CWE-119
- More details
- NVD · CVE.org · CISA
All references (6)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-093
- http://www.securitytracker.com/id/1033317
- http://twitter.com/Laughing_Mantis/statuses/633839231840841728
- http://www.securityfocus.com/bid/76403
- http://www.securityweek.com/microsoft-issues-emergency-patch-critical-ie-flaw-exploited-wild
- http://twitter.com/Laughing_Mantis/statuses/633839771865886721
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 92% |
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 82% |
| Oct 6, 2025 | Uninitialized Memory Corruption | Internet Explorer | High 8.1 | 97% |
| Aug 12, 2025 | Resource Management Errors | Internet Explorer | High 8.8 | 88% |
| Jul 23, 2024 | Use-After-Free | Internet Explorer | High 8.8 | 79% |
| Mar 30, 2023 | Memory Corruption | Internet Explorer | High 8.8 | 71% |
| Jun 8, 2022 | Use-After-Free | Internet Explorer | High 8.1 | 80% |
| May 25, 2022 | Information Disclosure | Internet Explorer | Medium 6.5 | 50% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.