Adobe Flash Player arbitrary code execution in 21.0.0.226 and earlier
CVE-2016-4117 is an Adobe Flash Player vulnerability affecting version 21.0.0.226 and earlier. The provided content states that the flaw allows remote attackers to execute arbitrary code via unspecified vectors and that it was exploited in the wild in May 2016 as a zero-day. The supporting context further shows it was commonly delivered through crafted Microsoft Word documents with embedded Flash objects and via exploit-kit landing pages that selected the exploit based on the victim’s installed Flash version. Specific vulnerable functions or root-cause details are not provided in the supplied content.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
13 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 vulnerability previously supported by Microsoft Word Intruder as part of its exploit document builder toolkit.
The version that knows your environment.
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.