CVE-2026-62897

Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62897	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*

OR	cpe:2.3:o:microsoft:windows_11_26h1:-::::::arm64:
	cpe:2.3:o:microsoft:windows_11_26h1:-::::::x64:

Configuration 2 (hide)

AND

OR	cpe:2.3:a:microsoft:.net_framework:3.5:-::::::
	cpe:2.3:a:microsoft:.net_framework:4.7.2:::::::*

cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

Configuration 3 (hide)

OR	cpe:2.3:a:microsoft:visual_studio_2022::::::::
	cpe:2.3:a:microsoft:visual_studio_2026::::::::

Configuration 4 (hide)

AND

OR	cpe:2.3:a:microsoft:.net::::::::
	cpe:2.3:a:microsoft:.net::::::::
	cpe:2.3:a:microsoft:.net::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*

OR	cpe:2.3:o:microsoft:windows_11_26h1:-::::::arm64:
	cpe:2.3:o:microsoft:windows_11_26h1:-::::::x64:

Configuration 6 (hide)

AND

OR	cpe:2.3:a:microsoft:.net_framework:3.5:-::::::
	cpe:2.3:a:microsoft:.net_framework:4.8:::::::*

cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

History

No history.

Information

Published : 2026-08-11 17:18

Updated : 2026-08-14 13:58

NVD link : CVE-2026-62897

Mitre link : CVE-2026-62897

CVE.ORG link : CVE-2026-62897

JSON object : View

Products Affected

microsoft

windows_11_26h1
windows
.net_framework
visual_studio_2022
visual_studio_2026
.net
windows_10_1809

CWE

CWE-190

Integer Overflow or Wraparound

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"lessThan": "10.0.11", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": ".NET 8.0", "versions": [{"status": "affected", "version": "8.0.0", "lessThan": "8.0.30", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": ".NET 9.0", "versions": [{"status": "affected", "version": "9.0.0", "lessThan": "9.0.19", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5", "versions": [{"status": "affected", "version": "3.5.0", "lessThan": "2.0.50727.9183 & 3.0.30729.9169", "versionType": "custom"}], "platforms": ["Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.7.2", "versions": [{"status": "affected", "version": "4.7.0", "lessThan": "2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 1809 for ARM64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8", "versions": [{"status": "affected", "version": "4.8.0", "lessThan": "2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 1809 for ARM64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 4.8.1", "versions": [{"status": "affected", "version": "4.8.0.0", "lessThan": "4.8.9344.0", "versionType": "custom"}], "platforms": ["Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.14", "versions": [{"status": "affected", "version": "17.14.0", "lessThan": "17.14.38", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2026 version 18.8", "versions": [{"status": "affected", "version": "18.0", "lessThan": "18.8.3", "versionType": "custom"}]}]}], "published": "2026-08-11T17:18:43.850", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62897", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally."}], "lastModified": "2026-08-14T13:58:30.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23317443-1968-4791-9F20-AD3B308A83D1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*", "vulnerable": false, "matchCriteriaId": "CBFE0371-0C4D-406A-9EC7-456104271C3E"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*", "vulnerable": false, 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