CVE-2026-62897

high

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

Vendor / product: Microsoft — .net framework

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

CVSS

7.0

7.0 (CVSS v3.1)

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (secure@microsoft.com)

Timeline (UTC)

Published: 2026-08-11 17:18

Modified: 2026-10-28 20:18

NVD status: Analyzed

Last synced 13 hours ago

Verified against the source API 2026-10-28 20:34 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

microsoft / .net_framework 3.5, 4.7.2, 4.8.1, 4.8

microsoft / visual_studio_2022 ≥17.14.0 <17.14.38

microsoft / visual_studio_2026 ≥18.8.0 <18.8.3

microsoft / .net ≥8.0.0 <8.0.30, ≥9.0.0 <9.0.19, ≥10.0.0 <10.0.11

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

NVD CVE API 2.0 — fetched 2026-10-28 20:34 UTC · record ↗