Vulnerability Snapshot
CVE-2017-3076 is rated CRITICAL — exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.
Affected technology: flash_player, windows_10, windows_8.1, mac_os_x, chrome_os, plus 2 other product variants.
Executive Summary
Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the MPEG-4 AVC module. Successful exploitation could lead to arbitrary code execution.
Why It Matters
CVE-2017-3076 is rated CRITICAL severity, requiring immediate attention from security teams.
CVSS Base Score: 9.8/10
Affected Technologies
Vendors: adobe, microsoft, apple, google, linux
Products: flash_player, windows_10, windows_8.1, mac_os_x, chrome_os, linux_kernel, windows
🛡️What Defenders Should Check
Use Vulnios to continuously monitor your exposure to CVE-2017-3076 and similar vulnerabilities.
References & Sources
How Vulnios Detects This
Vulnios scans for this vulnerability using Trivy and Grype for CVE matching against your container images and OS package manifests and KEV cross-check that flags any host where this CVE is already on CISA's exploited list. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Critical Vulnerability: CVE-2017-3078 — adobe, microsoft — flash_player, windows_10
- Critical Vulnerability: CVE-2017-3075 — adobe, microsoft — flash_player, windows_10
- Critical Vulnerability: CVE-2017-3077 — adobe, microsoft — flash_player, windows_10
- Critical Vulnerability: CVE-2017-3081 — adobe, microsoft — flash_player, windows_10
- Critical Vulnerability: CVE-2017-3079 — adobe, microsoft — flash_player, windows_10
- Critical Vulnerability: CVE-2017-3082 — adobe, microsoft — flash_player, windows_10
Frequently Asked Questions
What is CVE-2017-3076?
CVE-2017-3076 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the MPEG-4 AVC module. Successful exploitation could lead to arbitrary code execution.
Am I affected?
Check whether your environment runs flash_player, windows_10, windows_8.1, mac_os_x, chrome_os. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2017-3076. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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