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CVE-2026-20432 is an out-of-bounds write vulnerability in the MediaTek modem component caused by a missing bounds check. A malformed or unexpected input processed by the modem can write beyond the intended memory boundary. In the described attack scenario, exploitation is possible when a user equipment device connects to a rogue attacker-controlled base station. The flaw does not require additional execution privileges on the target device, but it does require user interaction. The vulnerability is tracked by Patch ID MOLY01406170 and Issue ID MSV-4461.
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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.
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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.
An out-of-bounds write vulnerability in MediaTek Modem caused by a missing bounds check that could allow remote escalation of privilege when a user equipment device connects to a rogue base station controlled by an attacker.
An Android Security Bulletin vulnerability listed as not applicable to Samsung devices in this bulletin.
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.