Bitdefender In depth analysis of APT28–The Political Cyber Espionage
A tool that exploits a privilege escalation vulnerability (CVE-2014-4076) to gain system privileges (xp.exe)
4 passages name itOriginal (opens in a new tab) ↗
CVE-2014-4076 Public exploit EPSS 22.7%
Microsoft Windows Server 2003 SP2 allows local users to gain privileges via a crafted IOCTL call to (1) tcpip.sys or (2) tcpip6.sys, aka "TCP/IP Elevation of Privilege Vulnerability."
Summary
The flaw is an elevation of privilege vulnerability in the TCP/IP driver components of Microsoft Windows Server 2003 SP2, specifically tcpip.sys and tcpip6.sys. An attacker who already has local user access can craft a malicious IOCTL call to these drivers to gain elevated privileges.
Heading is the official description · CVE.org
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
64.8 / 100
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 1
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 21 months after disclosure. Public exploit code (Metasploit) was available the same day.
- First seen exploitedVulnCheck KEV evidence+21 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo high- or medium-confidence techniques. The 1 available link are lower confidence and listed below.
Lower-confidence links (1)
These come from early or generic mappings, text matching, or contradict this CVE’s details (for example a public-facing technique on a bug that needs a user to open a file). Shown for completeness.
- Stage CapabilitiesT1608 CTID attack_to_cve Phase 1 "Uncategorized" mapping (not staged by impact)
What security researchers reported
Named in 1 threat report1 reportBitdefender
Reports are matched by finding the exact id CVE-2014-4076 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.
Also mentioned in 3 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- 2015: Malware Analysis Report1 May 2026
- APT291 May 2026
- CVE -CVE Reference Map for Source MS - Curios RE active candidates CVE version 2006110131 Jan 2025