September 2025 Patch TuesdayKB5002776Normal patch window

Microsoft · KB5002776

Linked CVE review

Deploy Microsoft Microsoft Office security update KB5002776

Linked CVEs
6
Confirmed exploited
0
PoC or lab evidence
0
Maximum CVSS
7.8
Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

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6 of 6 linked CVEs shown
Confirmed exploitedCVSS above 9.0
CVE and descriptionSeverityExploit realityForecast and accessRemediation
CVE-2025-54896 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2025-54898 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2025-54900 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2025-54902 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2025-54903 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2025-54904 Scheduled assessment
Microsoft Excel Remote Code Execution Vulnerability

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

7.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.58% · 45.9th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.