CVE-2026-116620ModerateNetwork

Tencent RapidJSON Regex stream.h Take out-of-bounds

MSRC advisory NVD CVE.org

Assessment

Severity: Moderate
CVSS base score: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
Impact: Not stated
EPSS · 30-day forecast: No EPSS score collected
Public detection template: No Nuclei template is listed in the current collected catalog
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
Customer action: Required: follow the MSRC remediation guidance
Component: Mariner
Weakness: CWE-125: Out-of-bounds Read
Issued by: VulDB
Published: 28 Oct 2026 · October 2026
Last revised: 28 Oct 2026

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: LowAC:L
Privileges required: NonePR:N
User interaction: NoneUI:N
Scope: UnchangedS:U
Confidentiality: LowC:L
Integrity: LowI:L
Availability: LowA:L

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software

1 affected product

azl3 mtools 4.0.43-2 on Azure Linux 3.0

What changed

Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
29 Oct 2026 · 20:19:26 UTC
Affected products: azl3 rapidjson 1.1.0-8 on Azure Linux 3.0 → azl3 mtools 4.0.43-2 on Azure Linux 3.0
29 Oct 2026 · 08:00:21 UTC

Page history

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Field-level log (6)

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29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC
29 Oct 2026 · 08:00:21 UTC Affected productsazl3 rapidjson 1.1.0-8 on Azure Linux 3.0 → azl3 mtools 4.0.43-2 on Azure Linux 3.0

Explore global source statements, affected packages and advisory history for CVE-2026-116620. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-116620

Published

RapidJSON

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Tencent",
                    "product": "RapidJSON",
                    "versions": [
                        {
                            "version": "1.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:tencent:rapidjson:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Regex Parser"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON