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CVE-2026-77486 is an integer overflow or wraparound vulnerability in Microsoft SQL Server. An unauthorized attacker can exploit the flaw remotely over a network to execute code. The affected parsing path, triggering input format, and affected component have not been specified.
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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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An integer-overflow or wraparound vulnerability in Microsoft SQL Server that permits unauthorized network-based code execution.
An integer-overflow or wraparound vulnerability in Microsoft SQL Server that permits network-based code execution by an unauthorized attacker.
An integer overflow or wraparound vulnerability in Microsoft SQL Server that permits an unauthorized network-based attacker to execute code.
Remote-code-execution vulnerability in Microsoft SQL Server.
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.