CVE-2026-41615: Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized a

Q: How do I fix CVE-2026-41615?

authenticator: upgrade to 6.8.47; authenticator: upgrade to 6.2605.2973. Exact commands for each OS are on this page.

Q: Is CVE-2026-41615 being exploited?

CVE-2026-41615 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-2026-41615 affect?

CVE-2026-41615 affects authenticator, authenticator. Severity is critical (CVSS 9.6). Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.

Q: How urgent is CVE-2026-41615?

Priority 50/100. Critical severity; On your watchlist

This month

CRITICAL 9.6WATCHLISTUPGRADEUPGRADE

CVE-2026-41615 is a critical-severity flaw (CVSS 9.6) affecting authenticator, authenticator. 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 Authenticator allows an unauthorized attacker to disclose information over a network.

Why this priority

Critical severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-05-14
Last modified	2026-10-26

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-14 18:16 UTCPublished CVE record published
2026-10-26 14:10 UTCUpdated Record last modified

microsoft authenticator UPGRADE

Affected: < 6.8.47

Fixed in: 6.8.47

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.8.47 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade authenticator

Note

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

microsoft authenticator UPGRADE

Affected: < 6.2605.2973

Fixed in: 6.2605.2973

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.2605.2973 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade authenticator

Note

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

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-2026-41615?

authenticator: upgrade to 6.8.47; authenticator: upgrade to 6.2605.2973. Exact commands for each OS are on this page.

Is CVE-2026-41615 being exploited?

CVE-2026-41615 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-2026-41615 affect?

CVE-2026-41615 affects authenticator, authenticator. Severity is critical (CVSS 9.6). Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.

How urgent is CVE-2026-41615?

Priority 50/100. Critical severity; On your watchlist

Related CVEs

CVE-2026-33874 HIGH 7.8 UPGRADE Gematik Authenticator securely authenticates users for login to digital health applications

References

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