Vulnerability

CVE-2026-42835

High· 8.1CVSS8.1EPSS0%

.rules3/5

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.

Threat signal

81/100

High

Severity

high

CVSS

8.1

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

8.1/ 10HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactNoneNo integrity impact.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.16%

probability of exploitation in next 30 days

p37

higher than 37% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2026-42835. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCTrack

Total impact on non-trivial mission systems

exploitation: none
automatable: yes
impact: total
mission: support

Lifecycle

2026-06-09Vendor advisory · microsoftCVE-2026-42835 — Microsoft Teams for Android Information Disclosure Vulnerability
2026-06-09Published
2026-06-12Last modified1 source

Entity graph

2 nodes · 1 edges · click to pivot

CVEActorVendor advisoryIOCNews

Vendor advisories

microsoftCVE-2026-42835Microsoft Teams for Android Information Disclosure Vulnerability

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42835

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.