CVE-2020-1458
A remote code execution vulnerability exists when Microsoft Office improperly validates input before loading dynamic link library (DLL) files, aka 'Microsoft Office Remote Code Execution Vulnerability'.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
A remote code execution vulnerability exists when Microsoft Office improperly validates input before loading dynamic link library (DLL) files, aka 'Microsoft Office Remote Code Execution Vulnerability'.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 10.89% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-426
- Affected
- microsoft/365 apps
- Source
- secure@microsoft.com
EPSS 10.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1458Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1458Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.