CVE-2023-37139
CVE-2023-37139 is a medium-severity vulnerability in Microsoft Chakracore with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Microsoft Chakracore
- Published:
- Last modified:
Description
ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray().
Frequently asked questions
- What is CVE-2023-37139?
- ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray().
- How severe is CVE-2023-37139?
- CVE-2023-37139 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-37139 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-37139?
- CVE-2023-37139 affects Microsoft Chakracore. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-37139?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-37139 published?
- CVE-2023-37139 was published on 2023-07-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Chakracore
- CVE-2018-8500 — Critical (CVSS 9.8): A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory,…
- CVE-2017-11767 — Critical (CVSS 9.8): ChakraCore allows an attacker to gain the same user rights as the current user, due to the way that the ChakraCore…
- CVE-2017-8658 — Critical (CVSS 9.8): A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects…
- CVE-2020-1555 — High (CVSS 8.8): A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in…
- CVE-2020-1073 — High (CVSS 8.1): A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory,…
- CVE-2019-0649 — High (CVSS 8.1): A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.
All CVEs affecting Microsoft Chakracore →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…