CVE-2026-69529 is a heap-based buffer overflow vulnerability in Microsoft Office Access. An unauthorized attacker can exploit the flaw over a network to execute code. The vulnerability is rated CVSS v3.0 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), indicating low attack complexity, no required attacker privileges, required user interaction, and high confidentiality, integrity, and availability impact.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft Access vulnerability rated critical by the supplied CVSS v3.0 vector (network reachable, low complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact).
A critical Microsoft Access vulnerability with network attack vector, low attack complexity, no required privileges, and user interaction required; successful exploitation affects confidentiality, integrity, and availability.
Microsoft Office Access heap-based buffer-overflow remote code-execution vulnerability.
A heap-based buffer-overflow vulnerability in Microsoft Office Access that may allow an unauthorized network attacker to execute 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.