June 2026 Patch TuesdayMSRC-2026-06-microsoft-office-release-notesNormal patch window

Microsoft · MSRC-2026-06-microsoft-office-release-notes

Linked CVE review

Deploy Microsoft Microsoft Office update for Microsoft Office for Android

Linked CVEs: 5
Confirmed exploited: 0
PoC or lab evidence: 0
Maximum CVSS: 8.4

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.

5 of 5 linked CVEs shown

Confirmed exploitedCVSS above 9.0

CVE and description	Severity	Exploit reality	Forecast and access	Remediation
CVE-2026-45461 Scheduled assessment Microsoft Office Remote Code Execution Vulnerability Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.	8.4 · CVSS 3.1 · HighSource: CNA	No 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: 0.36% · 28.2th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · NONE user interaction	Within 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-2026-45463 Scheduled assessment Microsoft Office Remote Code Execution Vulnerability Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.	8.4 · CVSS 3.1 · HighSource: CNA	No 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: 0.36% · 28.2th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · NONE user interaction	Within 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-2026-45472 Scheduled assessment Microsoft Office Remote Code Execution Vulnerability Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.	8.4 · CVSS 3.1 · HighSource: CNA	No 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: 0.36% · 28.2th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · NONE user interaction	Within 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-2026-45474 Scheduled assessment Microsoft Office Remote Code Execution Vulnerability Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.	8.4 · CVSS 3.1 · HighSource: CNA	No 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: 0.36% · 28.2th percentileForecast date: 2026-10-08LOCAL · LOW complexity · NONE privileges · NONE user interaction	Within 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-2026-45460 Scheduled assessment Microsoft Office Information Disclosure Vulnerability Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.	4.7 · CVSS 3.1 · MediumSource: CNA	No 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: 0.42% · 33.9th percentileForecast date: 2026-10-08LOCAL · HIGH complexity · NONE privileges · REQUIRED user interaction	ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.