CVE-2026-65769: Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized at

Q: How do I fix CVE-2026-65769?

teams: upgrade to 8.8.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-65769 being exploited?

CVE-2026-65769 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-65769 affect?

CVE-2026-65769 affects teams. Severity is medium (CVSS 6.5). Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.

Q: How urgent is CVE-2026-65769?

Priority 43/100. On your watchlist

This month

MEDIUM 6.5WATCHLISTUPGRADE

CVE-2026-65769 is a medium-severity flaw (CVSS 6.5) affecting teams. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-08-11
Last modified	2026-10-23

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-11 17:18 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

microsoft teams UPGRADE

Affected: < 8.8.1

Fixed in: 8.8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy teams || rpm -q teams || teams --version

2. UPGRADE to 8.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade teams

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade teams

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · clementine · FIXED · 1.4.2-1.fc46 · FEDORA-2026-3e748ef4d3 · source

sudo dnf upgrade --advisory=FEDORA-2026-3e748ef4d3

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-65769?

teams: upgrade to 8.8.1. Exact commands for each OS are on this page.

Is CVE-2026-65769 being exploited?

CVE-2026-65769 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-65769 affect?

CVE-2026-65769 affects teams. Severity is medium (CVSS 6.5). Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.

How urgent is CVE-2026-65769?

Priority 43/100. On your watchlist

Software pages

Microsoft Teams vulnerabilities

Related CVEs

CVE-2026-65667 CRITICAL 10.0 MITIGATE Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62896 CRITICAL 9.6 MITIGATE Improper authentication in Microsoft Teams allows an authorized attacker to elevate privileges over a network.
CVE-2026-62918 HIGH 7.5 MITIGATE Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform
CVE-2026-65768 HIGH 8.8 UPGRADE Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Teams for Android
CVE-2026-65767 HIGH 8.8 UPGRADE Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Teams for An

References

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