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CVE-2026-42835 is an information disclosure vulnerability in Microsoft Teams for Android caused by improper neutralization of special elements in output used by a downstream component. The flaw is classified as CWE-74 and is exploitable by an authenticated attacker over the network without user interaction. Available reporting indicates the vulnerable condition can be triggered through crafted Teams content, leading to disclosure of small portions of heap memory. Exposed memory may contain sensitive runtime data such as authentication tokens, session identifiers, cached credentials, message fragments, or meeting metadata. The issue affects Microsoft Teams for Android versions prior to build 1.0.76.2026111302.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity information disclosure vulnerability in Microsoft Teams for Android caused by a CWE-74 injection flaw that can leak small portions of heap memory to an authenticated remote attacker.
An information disclosure vulnerability in Microsoft Teams for Android caused by improper neutralization of special elements in output used by a downstream component, allowing an authenticated remote attacker to read small portions of heap memory.
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.