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CVE-2026-78442 is a heap-based buffer overflow in Microsoft Windows OLE DB. Processing attacker-controlled data can corrupt heap memory and permit an unauthorized attacker to execute code remotely.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A heap-based buffer-overflow vulnerability in Windows OLE DB that permits network-based code execution by an unauthorized attacker.
A heap-based buffer-overflow vulnerability in Windows OLE DB that permits unauthorized network-based code execution and affects the detected SQL Server installation.
A heap-based buffer-overflow vulnerability in Windows OLE DB that could allow an unauthorized network attacker to execute code remotely.
A remote-code-execution vulnerability in Microsoft Windows OLE DB addressed by this security update.
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.