CVE-2023-21720

Microsoft Edge (Chromium-based) Tampering Vulnerability

MEDIUM
5.3
CVSS Score
Published: February 14, 2023 at 07:32 PM UTC
Updated: August 19, 2026 at 05:18 PM UTC
1 product affected across 1 vendorEdge Chromium

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Microsoft Edge (Chromium-based) Tampering Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 109.0.15.18.781.0.0 ≤ v < 109.0.15.18.781.0.0
Affected range stops below 109.0.15.18.78, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/202309-17

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-126NVD-CWE-noinfo

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