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CVE-2026-83949 is a buffer over-read vulnerability in Microsoft Office Word. An out-of-bounds read may allow an unauthorized local attacker to disclose information from process memory. Specific affected Word versions, the vulnerable function, and triggering document or input conditions are not currently available.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Microsoft Word vulnerability addressed by KB5002923; the technical vulnerability type is not provided.
A buffer over-read vulnerability in Microsoft Office Word that allows a local unauthorized attacker to disclose information.
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.