CVE-2026-45459

FAUCET Score

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

First published: Jun 9, 2026Last modified: Jun 19, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x64:*
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x86:*
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:microsoft:microsoft_365:-:::::macos::
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:microsoft:office_2021:-::::ltsc:macos:-:
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:microsoft:office_2024:-::::ltsc:-:x64:

CVSS version used by this source: 3.1

3.3LOW

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

1.8

Impact Score

1.4

CvssVersion

3.1

EPSS Score

0.37%

Probability of exploitation in next 30 days

EPSS Percentile

29.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0037 is in the 41st percentile among its peer group of 577 CVEs.

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.