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CVE-2026-69285 is a heap-based buffer overflow in Microsoft Office. Improper memory handling can allow an unauthorized attacker to execute arbitrary code in the context of the affected Office application through a network-delivered attack vector.
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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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft Office vulnerability covered by the September 2026 Office Click-to-Run security update plugin. The content assigns CVSS v2 10.0 and CVSS v3 characteristics of network attack vector, low complexity, no privileges, user interaction required, and high confidentiality, integrity, and availability impact.
Microsoft Office heap-based buffer-overflow remote code-execution vulnerability.
A heap-based buffer-overflow vulnerability in Microsoft Office that may allow an unauthorized attacker to execute code remotely over a network.
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.