7.8

CVE-2025-27744: microsoft microsoft office 2016 Improper Access Control

CVSS: 7.8v3.1HighAnalyzed
Published 08-04-2025Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2025-27744 is a high (CVSS 7.8) Improper Access Control vulnerability in microsoft microsoft office 2016. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 67.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.20%
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. 08-04-2025
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Improper access control in Microsoft Office allows an authorized attacker to elevate privileges locally.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.20%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.20%

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