CVE-2022-21970

Privilege escalation via undisclosed browser flaw

Published Jan 11, 2022 · Updated Jan 2, 2025

Elevation of privilege in Microsoft Edge (Chromium-based) before 97.0.1072.55 allows local users to gain elevated privileges. Microsoft has not disclosed the affected component or the incorrect operation that permits the privilege boundary to be crossed. Exploitation requires low privileges and user interaction; successful attacks can expose protected data and cause limited modification or service interruption.

CVSS severity6.1
Medium
EPSS probability2.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Elevation of privilege in Microsoft Edge (Chromium-based) before 97.0.1072.55 allows local users to gain elevated privileges. Microsoft has not disclosed the affected component or the incorrect operation that permits the privilege boundary to be crossed. Exploitation requires low privileges and user interaction; successful attacks can expose protected data and cause limited modification or service interruption.

The record

CVE
CVE-2022-21970
Published
Jan 11, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
Classifications
CWE-269, T1548
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0 <97.0.1072.55

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft Edge (Chromium-based)version=1.0.0 <97.0.1072.55

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.3NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:C
6.1Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1548Abuse Elevation Control Mechanism

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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