Microsoft Edge up to 143.0.3650.97 IElevatorEdge interface LaunchUpdateCmdElevatedAndWait privileges management

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Edge. The affected element is the function LaunchUpdateCmdElevatedAndWait of the component IElevatorEdge interface. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2026-21223. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Microsoft Edge. It has been rated as critical. Affected by this issue is the function LaunchUpdateCmdElevatedAndWait of the component IElevatorEdge interface. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.

The advisory is available at msrc.microsoft.com. This vulnerability is handled as CVE-2026-21223 since 12/11/2025. The exploitation is known to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/22/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 144.0.3719.82 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3111). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Edge

Version

• 11.0.10240.16384
• 38.14393.0.0
• 38.14393.1066.0
• 98.0.1108.43
• 99.0.1150.30
• 102.0.1245.39
• 102.0.1245.41
• 103.0.1264.37
• 103.0.1264.44
• 104.0.1293.47
• 118.0.2088.88
• 118.0.2088.102
• 119.0.2151.44
• 119.0.2151.58
• 119.0.2151.72
• 120.0.2210.61
• 120.0.2210.77
• 120.0.2210.133
• 120.0.2210.160
• 121.0.2277.83
• 121.0.2277.98
• 122.0.2365.52
• 122.0.2365.63
• 122.0.2365.80
• 122.0.2365.92
• 122.0.2365.120
• 123.0.2420.53
• 123.0.2420.81
• 124.0.2478.51
• 124.0.2478.97
• 124.0.2478.109
• 126.0.2592.56
• 126.0.2592.68
• 126.0.2592.81
• 126.0.2592.102
• 127.0.2651.74
• 127.0.2651.98
• 127.0.2651.105
• 128.0.2739.42
• 129.0.2792.52
• 130.0.2849.46
• 131.0.2903.48
• 131.0.2903.63
• 131.0.2903.86
• 132.0.2957.115
• 132.0.2957.118
• 133.0.3065.51
• 133.0.3065.69
• 134.0.3124.51
• 134.0.3124.66
• 134.0.3124.93
• 135.0.3179.54
• 135.0.3179.98
• 136.0.3240.50
• 138.0.3351.65
• 140.0.3485.54
• 140.0.3485.71
• 140.0.3485.81
• 142.0.3595.53
• 143.0.3650.66
• 143.0.3650.88
• 143.0.3650.97

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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