6.3

CVE-2026-69559: microsoft microsoft teams for android Origin Validation Error

CVSS: 6.3v3.1MediumAnalyzed
Published 08-09-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2026-69559 is a medium (CVSS 6.3) Origin Validation Error vulnerability in microsoft microsoft teams for android. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.5% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

0.00 pp

From 0.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft2 products

1 vendor · 2 products

References

1 links