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CVE-2026-6928 is a use-after-free vulnerability in IBM Concert versions 1.0.0 through 3.0.0. The affected application can reference or access memory after it has been freed. An attacker able to influence application input or execution can exploit the resulting memory-safety condition to corrupt memory, crash the application, or potentially execute arbitrary code.
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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.
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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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical CVSS 9.8 use-after-free vulnerability in IBM Concert 1.0.0 through 3.0.0 that may permit memory corruption, denial of service, or arbitrary code execution.
A use-after-free memory vulnerability in IBM Concert versions 1.0.0 through 3.0.0 that could enable memory corruption, application crashes, or arbitrary code execution when an attacker can influence program execution or input.
A use-after-free memory-corruption vulnerability in IBM Concert versions 1.0.0 through 3.0.0 that could enable an unauthenticated network attacker to crash the application or execute arbitrary code.
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.