Operation Dust Storm
Mentions the CVE; no further detail.
CVE-2011-1255 Public exploit EPSS 42.1%
The Timed Interactive Multimedia Extensions (aka HTML+TIME) implementation in Microsoft Internet Explorer 6 through 8…
Summary
The HTML+TIME (Timed Interactive Multimedia Extensions) implementation in Microsoft Internet Explorer 6 through 8 mishandles objects in memory, leaving it open to memory corruption flaws, including use of objects that were not properly initialized or that have been deleted.
Official description · CVE.org
The Timed Interactive Multimedia Extensions (aka HTML+TIME) implementation in Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "Time Element Memory Corruption Vulnerability."
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
65.4 / 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 5 years after disclosure. Public exploit code (Exploit-DB) appeared 14 months after disclosure.
- Disclosedday 0
- Public exploit codeExploit-DB+14 mo
- First seen exploitedVulnCheck KEV evidence+5 yrs
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 ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Named in 1 threat report1 reports7d2.scene7.com
Reports are matched by finding the exact id CVE-2011-1255 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 5 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- 2016: Malware Analysis Report1 May 2026
- VirusTotal report for Bang Bang#2.xls14 Mar 2026
- CVE Data16 Feb 2026
- CVE -CVE Reference Map for Source MS - Curios RE active candidates CVE version 2006110131 Jan 2025
- Operation Dust Storm23 Feb 2016