VulnerabilityModified
CVE-2023-21720
Microsoft Edge (Chromium-based) Tampering Vulnerability
MEDIUM 5.3EPSS 1.22%
Does this matter?
Lower severity and a low EPSS score (1.22%). Track it; it rarely justifies an emergency change on its own.
Description
Microsoft Edge (Chromium-based) Tampering Vulnerability
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.22% probability · 68th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-126
- Affected
- microsoft/edge chromium
- Source
- secure@microsoft.com
EPSS 1.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21720Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21720Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202309-17Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.