| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $5k-$25k | 0.00+ |
Summary
A vulnerability, which was classified as critical, has been found in Microsoft Edge. This issue affects some unknown processing. This manipulation causes access control. This vulnerability is tracked as CVE-2026-58282. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical was found in Microsoft Edge. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
The advisory is shared at msrc.microsoft.com. This vulnerability is known as CVE-2026-58282 since 06/29/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/04/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.
Upgrading to version 150.0.4078.48 eliminates this vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
- 3.3.2604.3097
- 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
- 144.0.3719.82
- 145.0.3800.58
- 146.0.3856.59
- 146.0.3856.84
- 147.0.3912.60
- 148.0.3967.55
- 148.0.3967.70
- 149.0.4022.68
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.1
CNA Vector (microsoft): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Edge 150.0.4078.48
Timeline
06/29/2026 CVE reserved07/04/2026 Advisory disclosed
07/04/2026 VulDB entry created
07/04/2026 VulDB entry last update
Sources
Vendor: microsoft.comAdvisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-58282 (🔒)
GCVE (CVE): GCVE-0-2026-58282
GCVE (VulDB): GCVE-100-376237
Entry
Created: 07/04/2026 06:10Changes: 07/04/2026 06:10 (29), 07/04/2026 06:11 (35)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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