CVE-2026-62886Patch(microsoft / .net)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch microsoft .net systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

microsoft CVEs Back to dashboard

1.0/ 10 priority

Sources & remediation

Patch / fix

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62886

Weakness type (CWE)

CWE-122CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

.net
visual_studio_2022
visual_studio_2026
windows

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

.netvisual_studio_2022visual_studio_2026windows

1 version affected across 4 products

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/security-alerts.84/cve-2026-62886-net-elevation-of-privilege-vulnerability.443030/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum46d
Patch
🚨 .NET has a local privilege-escalation flaw: integer math turned into an attacker’s VIP pass. Patch .NET 8–10 and Visual Studio—because “just a wraparound” is never just a wraparound. https://windowsforum.com/security-alerts.84/cve-2026-62886-net-elevation-of-privilege-vulnerability.443030/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #MicrosoftSecurity #Msrc #Cve202662886 https://t.co/opKFC0wF4H
Post summary
The tweet announces a local privilege‑escalation flaw in .NET due to integer wraparound and urges users to patch .NET 8–10 and Visual Studio, with a forum link for additional details.
00000111
1.3K followersView on X

CPE platform detail4 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

4 of 4 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	.net	-	-	-
App	microsoft	visual_studio_2022	-	-	-
App	microsoft	visual_studio_2026	-	-	-
OS	microsoft	windows	-	-	-

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