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CVE-2016-4117 is a vulnerability in Adobe Flash Player affecting version 21.0.0.226 and earlier. It allows a remote attacker to execute arbitrary code via crafted content delivered through Flash-based attack chains. The flaw was exploited in the wild in 2016, including in watering-hole, malvertising, and malicious-document campaigns. Observed intrusion activity shows the vulnerability being used as a client-side execution vector against users running vulnerable Flash versions, often through embedded Flash objects in Microsoft Office documents or through web-based exploit infrastructure. Specific details about the vulnerable function or root cause are not available from the provided information.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A zero-day vulnerability in Adobe Flash Player exploited in 2016.
An Adobe Flash vulnerability previously exploited by the DealersChoice framework via crafted Microsoft Word documents.
A previously used zero-day attributed in this report to BlackOasis historical activity (details not provided in the content).
A specific vulnerability used by the Astrum exploit kit in this malvertising-driven infection chain.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.