BlackBerry QNX Hypervisor ACPI Event stack-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.9$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in BlackBerry QNX Hypervisor. Affected is an unknown function of the component ACPI Event Handler. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2026-50080. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in BlackBerry QNX Hypervisor (the affected version is unknown) and classified as critical. Affected by this vulnerability is an unknown code of the component ACPI Event Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. The product writes past the end of a buffer that was allocated on the stack. As an impact it is known to affect availability. The summary by CVE is:

Stack-based Buffer Overflow in the ACPI event handler of the QVM could allow an attacker in a guest to crash the QVM by sending a crafted ACPI request.

The advisory is shared at support.blackberry.com. This vulnerability is known as CVE-2026-50080 since 06/03/2026. The exploitation appears to be easy. The attack can be launched remotely. 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 11/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (blackberry): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/03/2026 CVE reserved
11/10/2026 +160 days Advisory disclosed
11/10/2026 +0 days VulDB entry created
11/10/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: support.blackberry.com
Status: Confirmed

CNA: blackberry
CVE: CVE-2026-50080 (🔒)

GCVE (CVE): GCVE-0-2026-50080
GCVE (VulDB): GCVE-100-434389

Entryinfo

Created: 11/10/2026 20:50
Changes: 11/10/2026 20:50 (61)
Complete: 🔍
Cache ID: 216::103

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