Google Android up to 17 Notification Manager NotificationManagerService.java input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $5k-$25k | 1.52- |
Summary
A vulnerability marked as very critical has been reported in Google Android 14/15/16/16-qpr2/17. The affected element is the function setNotificationListenerAccessGrantedForUserInternal of the file NotificationManagerService.java of the component Notification Manager. The manipulation leads to input validation.
This vulnerability is uniquely identified as CVE-2026-55262. Local access is required to approach this attack. No exploit exists.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Google Android 14/15/16/16-qpr2/17 and classified as very critical. This issue affects the function setNotificationListenerAccessGrantedForUserInternal of the file NotificationManagerService.java of the component Notification Manager. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In setNotificationListenerAccessGrantedForUserInternal of NotificationManagerService.java, there is a possible policy desynchronization due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2026-55262 since 06/16/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/03/2026).
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-115568). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
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: PatchStatus: 🔍
0-Day Time: 🔒
Timeline
06/16/2026 CVE reserved11/02/2026 Advisory disclosed
11/02/2026 VulDB entry created
11/03/2026 VulDB entry last update
Sources
Vendor: google.comAdvisory: source.android.com
Status: Confirmed
CNA: google_android
CVE: CVE-2026-55262 (🔒)
GCVE (CVE): GCVE-0-2026-55262
GCVE (VulDB): GCVE-100-430007
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 11/02/2026 21:15Updated: 11/03/2026 07:35
Changes: 11/02/2026 21:15 (59), 11/03/2026 07:35 (3)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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