| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical was found in Microsoft Edge. Impacted is an unknown function. The manipulation results in injection. This vulnerability was named CVE-2026-42838. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability classified as critical has been found in Microsoft Edge. Affected is an unknown function. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-42838 since 04/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/24/2026). This vulnerability is assigned to T1055 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 314357 (Microsoft Edge (Chromium) < 148.0.3967.55 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 148.0.3967.55 eliminates this vulnerability.
The vulnerability is also documented in the databases at CNNVD (CNNVD-202605-2399), Tenable (314357) and EUVD (EUVD-2026-29714). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
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
- 144.0.3719.82
- 145.0.3800.58
- 146.0.3856.59
- 146.0.3856.84
- 147.0.3912.60
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.4
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: InjectionCWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 314357
Nessus Name: Microsoft Edge (Chromium) < 148.0.3967.55 Multiple Vulnerabilities
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Edge 148.0.3967.55
Timeline
04/30/2026 CVE reserved05/12/2026 Advisory disclosed
05/12/2026 VulDB entry created
05/24/2026 VulDB entry last update
Sources
Vendor: microsoft.comAdvisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-42838 (🔒)
GCVE (CVE): GCVE-0-2026-42838
GCVE (VulDB): GCVE-100-363258
EUVD: 🔒
CNNVD: CNNVD-202605-2399 - Microsoft Edge 安全漏洞
Entry
Created: 05/12/2026 20:28Updated: 05/24/2026 03:41
Changes: 05/12/2026 20:28 (64), 05/13/2026 02:14 (6), 05/13/2026 05:20 (2), 05/24/2026 03:41 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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