CVE-2026-21513

HighKnown Exploited

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

secure@microsoft.com·CWE-693·Published 2026-02-10

CVSS

8.8

EPSS

0.15

KEV

Yes

Exploits

cve.orgen

125 chars

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

NVDen

125 chars

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

Falla del mecanismo de protección en el framework MSHTML permite a un atacante no autorizado eludir una característica de seguridad a través de una red.

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	8.8	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
3.1	Secondary	NVD	8.8	2.8	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H