No exploitation reportedFix available

CVE-2026-42835

Q: Is CVE-2026-42835 actively exploited?

Active exploitation of CVE-2026-42835 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-42835?

CVE-2026-42835 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Microsoft Teams for Android Information Disclosure Vulnerability

No exploitation reported by the sources we read.

Published2026-06-09
Fixed in1.0.76.2026111302
WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2026-06-0917:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-42835?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-42835?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft teams

Branch	Affected	Fixed in	Source
1.0	< 1.0.76.2026111302	1.0.76.2026111302	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Microsoft teams to 1.0.76.2026111302

Advisories and patches

msrc.microsoft.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2026-06-10
OpenCVESSVC decisionnone—
CNACVSS 3.18.1read 2026-10-23
CNAweakness (CWE)CWE-74read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22
Microsoft MSRCadvisory—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published: 2026-06-09
Last Modified: 2026-07-23
NVD status: Analyzed
MSRC Title: Microsoft Teams for Android Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2026-42835?

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.

Is CVE-2026-42835 actively exploited?

Active exploitation of CVE-2026-42835 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-42835?

CVE-2026-42835 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

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