CVE-2026-44823
Microsoft Excel Remote Code Execution Vulnerability
Published: Jun 9, 2026Updated: Jun 9, 2026 Sources: CVE List NVD
7.8CVSS
HIGHInteger underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
EPSS Score
0.2%
Top 60.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 4 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
Timeline
Published
Jun 9, 2026
Last Updated
Jun 9, 2026
News mentions
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