7.8

CVE-2024-20673: microsoft excel Protection Mechanism Failure

CVSS: 7.8v3.1HighModified
Published 13-02-2024Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2024-20673 is a high (CVSS 7.8) Protection Mechanism Failure vulnerability in microsoft excel. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.1% 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
1.18%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-02-2024
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Microsoft Office Remote Code Execution Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.18%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

-0.01 pp

From 1.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.18%

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

Microsoft17 products

1 vendor · 17 products

References

1 links