Microsoft · Internet Explorer
CVE-2014-4123
Microsoft Internet Explorer Privilege Escalation Vulnerability
What it is
Microsoft Internet Explorer 7 through 11 allows remote attackers to gain privileges via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability," as exploited in the wild in October 2014, a different vulnerability than CVE-2014-4124.
CISA: Microsoft Internet Explorer contains an unspecified vulnerability that allows remote attackers to gain privileges via a crafted web site.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: June 15, 2022
- Added to the CISA list
- May 25, 2022
- Published
- October 15, 2014
- Severity
- High 8.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 47% in the top 1.2% of all known vulnerabilities
- Weakness
- CWE-264
- More details
- NVD · CVE.org · CISA
All references (5)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-056
- http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
- http://secunia.com/advisories/60968
- http://www.securitytracker.com/id/1031018
- http://www.securityfocus.com/bid/70326
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.