CVE-2026-45649

Name: CVE-2026-45649
Creator: NVD / NIST
Published: 2026-06-09T17:17:32.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.42%

Last modified Jun 19, 2026

CVE-2026-45649 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Microsoft	Excel	All versions
Microsoft	Powerpoint	All versions
Microsoft	Word	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45649Vendor Advisory

Timeline

Published: Jun 9, 2026
Last Modified: Jun 19, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-45649?

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

How severe is CVE-2026-45649?

CVE-2026-45649 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2026-45649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-45649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST